• Tidak ada hasil yang ditemukan

D20.pdf - 九章數學

N/A
N/A
Protected

Academic year: 2023

Membagikan "D20.pdf - 九章數學"

Copied!
7
0
0

Teks penuh

(1)

ᘋ 枼0 6 /LH 枼0DULXV 6RSKXV 1842 ࿰ 12 ᗙ 17 ᔐύᓴ ጟഛ࢑ᵺ⣲๾ᵺ஢Ⴧ 1RUGIMRUGHLGH 柋1899 ࿰2 ᗙ 18ᔐ࣯

ᓴጟഛߐ㈟ᓫ⥕บ຋؃ .ULVWLDQLD 枼؜ಥᓫ㒌 ώᓄฎ ώ

ᘋל୅ݴⷍध㐩7KH 0DF7XWRU +LVWRU\ RI 0DWKHPDWLFV DUFKLYH

┐⌴

?iiT,ffrrr@;`QmTbX/+bXbi@M/X+XmFf?BbiQ`vfSB+i.BbTHvfGB2X?iKH

(2)

⷟ ڞ ⾰

فம⌋๾㓾ᔷ๾⇩⍭ዷ

ᘋ 枼0 6 /LH 枼0DULXV 6RSKXV 1842 ࿰ 12 ᗙ 17 ᔐύᓴ ጟഛ࢑ᵺ⣲๾ᵺ஢Ⴧ 1RUGIMRUGHLGH 柋1899 ࿰2 ᗙ 18ᔐ࣯

ᓴጟഛߐ㈟ᓫ⥕บ຋؃ .ULVWLDQLD 枼؜ಥᓫ㒌 ώᓄฎ ώ

ᙽாວفᖺࡖݗ๴๣فᙆ໤⃞تݗ 栾໤๾ਘف๾“៪ᄞ 栾ᄨ 1859 ၣࢲ 1865 ၣ໴⻗ᕧ࠽㊞ᕞ⧏ຊ໻ٳೲ๾ 栾๾⚫ᔷ๾ਘ⌋

๾ ц“៪ᄞᓁکວႉᔢဳ 栾ㅚᗆڒ໢ೳᕄᙌٲ⠜⿄ 栾খላঔ๾ᢍ ᝧ 栾Ωࢲ 1868 ၣ 栾ாتݗ៰ިᵃ⃞ᢍᙈ 栾ڒℷࢲ٦ -9 㨸ᕞࢧ 3RQFHOHW ਘ -ᗣ২࠽ 3OFNHU ⃞⹐ᕄ 栾ጁ܃ڒ⾣ذ٦ᔷ๾ဉۦ

⃞ㆀ⿾ цᗣ২࠽ᐋ࢖٦໛ᄉ⍰㒙⃞៷ᅡ 栾९ጆ⇿٦ߊ╚ 栾سΌ⍰

㒙ف⃞㦼⛘Ό⍰㒙فΩ▤᳻࠶┟ 栾ᠫ዗ᕟ⃞⍰㒙 栾⇩⍭຅ݜ⃞ၬ

۟ᆄ⽶ цா‧ᗆ 栾ㅚ⍁ᕟ⃞ᅼላ 栾ᬂᬂ௅ৠდ٦ڒ 栾܃ᄣڒঔ

⛑ቦ࡚຅㙒௳⃞⍰㒙 栾ᄨ⛘዗᳻ᙽ⚄ㅚݗ๾⌋⃞ࣝ൝ڂ цዷڞڒ 㕐ᵃᄨ܊ٜᨈᙌ⵽ㅻᗣ২࠽ 栾ے◮ᖺ✏⍄⠇တᖺᗣ২࠽⃞๾ῳ ц

ᙽ⃞ᖆᙛဉۦ༝ᕧᄴ࢛ၬ۟␷′ цڒ⃞⏜ت␹⹐ᕄ 栾܃ᄣڒ Ểᄣ٦ம೩⃞Ẩ๾㊣ цா 1869 ၣ⌇ 栾ڒ܊ࢲᛕᚲ цாㆽⴂ 栾ڒ ਘ ) ࠽⥿ங .OHLQ ٷذ٦ᙎঙ ц࠽⥿ங᥿ᙽ໤ج᤺ 栾ਘᙽت ᡥ 栾ٜᖺঞ٦ᗣ২࠽⃞ᄉ㘐⛘໢ၬ۟ሯ⠜⿄ 栾ےᖺᗣ২࠽ᖺ࠽

⥿ங⃞⛐ဳ ц ڒݜࡒڂ࡛ᙌㄵᵃسী⃞㙣᜝ ц࠽⥿ஙᖺتݗڜ ᔷ๾ວ 栾ڒ္္ⳝㅀڂ⃞ક㙃⃞Ḛ᥉ᆄዷߓݝ 栾⛘ᙽॵᖺتݗ࢛

ᚬ๾ວ 栾ڒ္္ᒊ㒑Ḛ᥉ᇭᨦ 栾⛘ࣸழΌ㆏‧⃞ت⠴ᆄ܊ἱⶫક 㙃 цᵃ⛘ڒݜࡒڂِ㒙⃞ঙ⸻ 栾໢ڒݜࡒڂாᔷ๾ذ⃞ㅪᤵॵᖺ 㖪္㓊㏋⃞ ц

(3)

1870 ၣ೥ೳ 栾ᙽਘ࠽⥿ஙتীࢲဓ㦯 栾ڒݜ╁⺼٦ * ㆁ ယ 'DUERX[ ਘ & ૓و -RUGDQ цㅚᗆ 栾ᙽঞᨷம DQDOODJPDWLF

๾᪆ᅼላ⃞ᄉ㘐 栾⃘Ἢ٦ڒ⃞⦰ু⃞Ꮾⶻ⻝ᐔ цኩΌᕧᘻ㖭ᇭ ჽ 栾ㅚ⍁⻝ᐔໜΩ▤ᖯ᳻Ἦ 栾ໜى࢜ᘻ▤ᖯ᳻ᘻổ▤ ц

ㅚၣ 7 ᙋ 栾ᨷமਘᗣ㟹ೕ㒙⃘᷑٦ይᷧ ц8 ᙋ 栾ڒ᧳ຖᤵⲟࢲ

⚉ೲࢯ 栾ےᖺா្و⃙㖔㓬ㄩ 栾ڒⳝ⸭ᙈ᳻㒙⹕⛘ጴ٦⾨܊ 栾ㅻ ٦تݗᙋ 栾ጁⳝㆁယᶵᔛ࢖Ả 栾ڒヷㆀ⚉ೲࢯ 栾ࡣ஗ࢲᄹம ц

1871 ၣ 栾ᙽᄣࢲ٦࠽㊞ᕞ⧏ຊ໻ٳೲ๾⃞Ẩ๾㊣ 栾ীᗆாف

๾᥺ᜉفސ࡝✓ᔢੌ ц1872 ၣ 栾ڒா࠽㊞ᕞ⧏ຊ໻ٳೲ๾Ểᄣ٦ ॡೕ๾ۗ цㅚᙛ㒙 栾ڒਘ $ ㆤᷱ 0D\HU ীᗆẺ⎧௅Ⴣ⎧٦ދ ᄴ࢛ᕥ⌫⃞⍕࢛ἱ⹐ 栾ㅚݗἱ⹐Ἢாထ╲዗᳻ᗣㅛᔢ⌋ᙀ⃞ࡐຩِ

ت 栾ாᙽỂᄣॡೕ๾ۗᄞ 栾ڒா࠽㊞ᕞ⧏ຊ໻ٳೲ๾ى፾٦تݗ ᔷ๾⺋ႄ ц

ೲ៷ா 1870 ၣညল 栾⚄⹐዗᳻‧ᗆᔷ๾⇩⍭⃞ى᪉ِت цࢲ 1872 ၣ 栾࠽⥿ங⃘ⲯ٦ڒ⃞⦰ু⃞఑ᙖ᜚▆㘥 栾९ၬ۟๾ᖺ⇩

⍭⍰㒙فழჽாتထ⇉⻝ᐔ⚄ِرس⻝⃞ᆄ⽶⃞๾⌋ цঞڒ⃞ᄉ 㘐 栾ᙽᄨ 1873 ၣ㒑൝ 栾ᄨ⇩⍭Ꮾⶻ⻝ᐔ⃞س⻝㊡ヷ৅٦⇩⍭⻝ᐔ

⚄ἱ⹐ цㅚᖺڒᙆᙌ዗໴⃞⇩⍭㘥ఝ цڒ⛑ቦ n ▂⍰㒙فܜ⽽ᕧ r ݗকᔷ⃞࠼ᮠᖯ໛ዷᠫ዗⃞⚄ 栾ڒ਍ু᳻ᙌ㓳ㅤ☪⚄ ᙌ㓳ᖺᎁ ܜ⽽ᕧᙌ㓳ݗকᔷ 栾ㅤ☪້㔦ذᎁ࠼ᮠ 栾ㅚݗἱ⹐ா॒ٚغ⓿ج

॒ၣڜထ╲ސദ٦഑ళဉۦ 栾ےᖺ⃘ⲯᄣ᥿ダ㆕ ц

ா 1873 ၣ 栾ᙽㆧਘ 3/0 ⵵♭ 6\ORZ ت⾨ 栾ᓁک٦ 1 㓨

⼹ᷱ $EHO ㆝⦰⃞▮ャဉۦ ц

ᙽா 1874 ၣਘຊ඘ ۄം $QQD %LUFK ╁ල 栾ලᄞῳᙌ٩๣

تഞ ц

Ωࢲ 1876 ၣ 栾ڒখ஗ࢲᄴ࢛ၬ۟ᕥ㖭⃞⇩⍭ 栾ীၣڒਘ *2

⪨ᕞ 6DUV ঘ : ◷ए 0OOHU ت⾨ࣝჃ٦ ³$UFKLY I|U PDWKHPDWLN RJ QDWXUYLGHQVNDE´ ц

(4)

ா 1882 ၣ 栾 ᕧ *+ 㓨ᷱᕥ +DOSKHQ ਘࢯ᜝ᷱ /HJXHUUH

ாᄴ࢛س⻝჎ᕥ㖭⃞ᕄ⎮ 栾ܬ܃ڒࡣᤄヷ৅⻝ᐔ⚄⃞⇩⍭ ц

ா࠽㊞ᕞ⧏ຊ໻ٳೲ๾⃞॒೬ၣف 栾ᙽ㖪္๲⎧ 栾๾ῳݜ

໢ڒ⃞⇩⍭ဉۦسሯ⠜⿄ цாம೩ 栾㔀٦࠽⥿ங хㆤᷱਘ &(

⃷॥ 3LFDUG ೩ 栾ٜᨈᙌڂᩆሣڒ⃞ဉۦ 栾܎ഫ 栾ாъㅪ།ы

)RUWVFKULWWH 㕖⸞ف㓊ᕧᙽ⃞ဉۦ⃞౛໣ᖺ ᙽᙥڂ໎⃞ 栾ㅚ້㔦 ذᖺت⍁ছ္Ἢ⼋ цΩࢲ ) ᆱ᜝ᷱ (QJHO ⃞ࢲ܊ 栾ጁㅔᯧጆ⇿

٦ㅚ⍁Ṋቊ ц࡚উஙாᕧ 栾ᙽ⃞ᅼላⳝ㔴⫅ாڒ⃞៰ⴜ㕖⃞ⲯㆁ ਘ␡჎ف 栾ᙽسળᕧፍ⼋ᐋᵌ 栾ٜᖺঞ٦‧ᗆᗆڜᰌ᪉⃞ᄉ㘐೴

ᬂِᔓ ц

1884 ၣ 栾ᆱ᜝ᷱ࣍፼ࢲॡೕ๾ۗ 栾ᕧᖺ࠽⥿ஙਘㆤᷱधڒࢲ

࠽㊞ᕞ⧏ຊ໻ٳೲ๾৅ᙽ๾⚫⻝ᐔ⚄ 栾ؿظၛࣾᙽ໎تᙥ㓊ᕧ⻝ᐔ

⚄ᕥ㖭⃞╵়ᆄ⦰ۦ цᆱ᜝ᷱாᙽ⬧ဉۦ٦ٚݗᙋ 栾 ᕧᆱ᜝ᷱ

⃞ࣿࣸ 栾ㅚ㇩ဌ⦰┸ᕧຌ዗٦ 栾ᄞ܊ 栾ᄨ 1888 ၣࢲ 1893 ၣ࢛د ॲ࢖᷹ ц

ࢲ 1886 ၣ 栾࠽⥿ங஗ࢲ᜝ث᜚ೲ๾کᔢ 栾ாڒ⃞Ᏸ⪥ر 栾ᙽ ঞ✄ঔᄹம⥿᥿㎜☟ک⺋ႄ✓क цாㅚⴂ 栾ᙽ⃞ဉۦ⃞ᄉ㘐ᓚೲ ٦ ц⛘࠽⥿ஙਘ -+ 㨸ࣺ⥿⏯ڂسᕣ௅㧠थ๾ῳࢲ⥿᥿㎜๾⚫

ㅚ⍁ᕟᔷ๾ цዷڞ☟ᆱ᜝ᷱᄞ 栾খᙌ٦تጟ๾ῳ 栾࡚فِت᳻

* ⠡⽒ᷱᕞ 6FKHIIHUV цᙽਘڒت⾨࢖᷹٦ᙌ㓊⻝ᐔ⚄ хᄴ࢛ᕥ

⌫ਘᏮⶻ⻝ᐔ⃞໾㇩ၬ۟ᕥ㖭⃞ᔢ⌋ᙀ цㅚᗆ 栾ᙽ⃞ဉۦᕥ৅᳻

ٸ൘㕷⣪⍰㒙ક㙃 цㅚᖺ 1868 ၣ  + YRQ ٸ൘㕷⣪ +ROPKROW]

ᐋ࢖܊⃞ ц1890 ၣ 栾ᙽ⃘Ἢ٦ٸ൘㕷⣪⃞ᕄ⎮ᙌક㙃 栾╲ㅻᔌ ㅪ 栾዗٦Ἢா⃞ዷ⹵ٸ൘㕷⣪ ± ᙽ⍰㒙ક㙃 ц

سၧ⃞ᖺ 栾ᙽா 1889 ၣᄣ٦‧ᗆ⍄ِ᳻⊾╲ⲵფ⃞⁙ 栾ாⓙ

⊾⁙㊄㓾ᨠ₵ᄞ 栾ᄨ 1890 ၣ㒑൝☟☪ဉۦ цےᖺڒ⃞ᆄ᜝ᙌ٦ᄚ ೲ⃞⻝ऺ 栾࠘␩ڒ⃞ুᙘ`㞖 栾ڒڎᵃ⻝ᄣᄚ೬‹ਘᔚሯ ц

Ωࢲ 1898 ၣ 栾ڒ⃞᎑ඊᙎঙधڒ஗⊸மဉۦ 栾ڒᥲᵃᔏᝮ

(5)

ڒா‧ᗆغ‐ᔷ๾فᅂ ± ᄹம⃞⏜ت᪉⃞⺋ႄ✓क 栾ா 9 ᙋ஗ࢲ ٦࠽㊞ᕞ⧏ຊ໻ٳೲ๾ۦتݗᗣㅛᔢᏕ цாㆽⴂ 栾ໝ㒋᳻ڒⷝ⎧

٦تݗᔷ๾⺋ႄ ц1899 ၣ 栾ڒஙሄᆄ⽁ⲗ⛘ঔغ 栾ٻၣٯ॒ٯ

᤺ цڒ⃞ዷᙌ⦰ۦ ᆱ᜝ᷱਘ 3 သࣺᄹ +HHJDDUG ▮ャ዗ࡢ 栾ؿ ظࣺذ٦ᄚദ⃞ⷤⶫ ц

ᙽ⚄ঘ࡚ᙽڜᔷᖺ٩॒غ⓿㊟⵶๾⌋ِت цᙽ⚄ᖺتݗ⚄ 栾 খᖺتݗ࠼ᮠ᪉ჽ 栾ظٗᨷㅹ␡ਘঝㅎㅹ␡㓊ᕧ᪉ჽ╁ᠫ⛘ⷁᖺ

࠼ᮠ⃞ цᙽڜᔷᖺتݗ࡛ᙌᐔۗㅹ␡ ⷒۦ [ , ]) ⃞▤ᆄ⍰㒙 栾

຅㆏়᝗ڧ [a, b] = −[b, a] х[λa + µb, c] = λ[a, c] + µ[b, c] х [[a, b], c] + [[c, a], b] + [[b, c] хa] = 0 栾࡚ف a хb хc ᳻৅

㊡ 栾λ хµ ᳻ᔷ ц

 ᕧா 1935 ၣ 栾+ ೩ᷱ :H\O ═࢖᪉ჽ⃞୽᜝ຖ⚉ࣆ 栾س ম❫Όࢭ⃞ㄔᨷἱⶫᙽ⚄ 栾້㔦ذ 栾ᙽ⃘Ἢ⃞ᖺ໾㇩ᙽ⚄ 栾ڒ㛘

࠻Ⴣ⎧٦໾㇩ᙽ⚄ਘ຅⃞ᙽڜᔷ㒙⃞دݗళᙥຖἱਘㅎຖἱ цⷒ U

᳻ n ▂⎧ᕥ㞓 栾U ف㦼 x ਘ y 㒙মຖ⚉ٗᨷ x · y = f(x, y) 栾

঩⵶ f(x, y) ∈ U цாຩ⷟ᇭᨦرᙌ╁়ᄝ 栾খউ㦼᳻૕ۗ࠶

┟ 栾ظ໢ x ∈ U 栾๪ா y ∈ U ܃ᄣ f(x, y) = 0 цᕧᖺⷒ lji(x) =

∂fj(x, y)

∂yi y=0

栾1 ≤ i хj ≤ n 栾ࣁ⏜تళᙥຖἱ⸲ٗᨷࢗᔷ

f(x, y) ㆏়ᗣᨷ೵ 3IDII ᕥ⌫┺

∂f(x, y)

∂y = L(xy)L(y)1 栾 (1)

࡚ف L(x) = (lij(x)) ц⏜٩ళᙥຖἱ৮ⷠዘݜ 栾ⷒ Xi =

n

X

j=1

lji(x) ∂

∂xj 栾i = 1 х2 х· · · хn

(6)

ࣁᙌᨮ᚞ 3RLVVRQ ፩⬭

[Xi, Xj] =

n

X

k=1

ckijXk 栾 ९ n2 ݗࢗᔷ lij(x) ㆏়ᗣᨷ೵ᕥ⌫┺

n

P

s=1

lis(x)∂ljt(x)

∂xs − ljs(x)∂lit(x)

∂xs

=

n

P

k=1

ckijltk(x) 栾 1 ≤ i хj хt ≤ n

(2)

⏜دళᙥຖἱ⸲ ckij ᳻ n3 ݗ္ᔷ 栾຅ݜ㆏়

−ckij = ckji хX

s

(csijctsk + cskictsj + csjkctsi) = 0 ц

ᤴ९ڞ X1 х· · · хXn ᳻ళِ n ▂▤ᆄ⍰㒙ாᛕ᚞፩⬭رᠫ዗ᙽ ڜᔷ цᕧᖺᙽდㅪ٦໾㇩ᙽ⚄ U ⃞ᙽڜᔷ цছِ 栾دݗళᙥຖἱ

ِㅎᖺ៰࡚࢖ڂሣᕍِ೩⃞ ц຅৮ⷠዘݜ 栾㔮ܨ═࢖تݗᙌ㓳▂

ᙽڜᔷ 栾९═࢖㆏়᝗ڧ⃞ n3 ݗᔷ ckij 栾ࣁᅃ๪ா n2 ݗⶫᚬࢗᔷ lji(x) ㆏়ᗣᨷ೵ᕥ⌫┺ 2 ц ㅚ┺ⶫ L(x) = (lij(x)) 栾ࣁᅃ๪ா

ⶫᚬࢗᔷ৅㊡ f(x, y) ㆏়ᗣᨷ೵ᕥ⌫┺ 1 栾ظ f(x, y) ຖ⚉٦ تݗ໾㇩ᙽ⚄ цዷڞᙽ⃞ళᙥຖἱ═࢖٦໾㇩ᙽ⚄ਘᙽڜᔷ㒙⃞࠸

࢛ᅃ⵶㓊ܫ цΌἪڜ⸩ⷁ܊⸲ 栾ᙽڜᔷຌࡑ᧳ຖ٦ᙽ⚄⃞໾㇩ᆄ

⽶ цᄨㅚݗళᙥຖἱ࢖⃘ 栾໴ጮ໾㇩ᙽ⚄⃞ક㙃 栾ऺ᳻┓ⓔظ℩

໢⑹૕⃞ڜᔷક㙃 ц

້㔦ذ 栾ᙽ⚄ἱ⹐⃞⏜تᤵ໴ᖺ჈ᬑਘ຅⃞ᙽڜᔷ⃞㓊ܫ 栾დ ㅪ૕কᔷ๣⚄ цዷڞᙽ⃞഑ళᆄဉۦ 栾܃ᄣㅚݗ๾⌋❫೮Ⴣ⎧⾨

܊ цᙽ⃞দتݗဉۦᖺသᙘჃ⎧ᄴ࢛ᕥ⌫᧌ⶫ⃞ۍ♭῎ *DORLV ἱ

⹐ 栾㕐ᵃڒᙣ❫዗ࣹ 栾ےᖺڒ═࢖٦⦰ু⃞ᙽຖἱ 桌▤ᆄমⶫᙽ ڜᔷ⃞کتⲯ⊡ᙌࡕࡘḚᄷ৅㊡ ц

ᙽ້㔦ذᖺᄴ࢛ၬ۟ਘދᄴ࢛ᕥ⌫๾ວ цڒ࡛ᙌၬ۟Ω⶘⃞ೳ

⽳ цᙽாᙽ⻝ᐔ⚄ᕥ㖭⃞ဉۦ 栾═ᔷ๾།㒑٦تݗᕟ⃞ೳ௅ цᄨ ت㒑൝ 栾ᙽ⚄໴ਘ࢛ᚬ хڜᔷঘၬ۟ັ࢜℩㓊 ц

(7)

ᙽாᙽ⻝ᐔ⚄ᕥ㖭⃞ဉۦ 栾 ڒ⃞๾ῳᆱ᜝ᷱ х: ళ㖡 .LOOLQJ х⠡⽒ᷱᕞ х⠤ᷱ 6FKXU х( ଑‧ &DUWDQ ☟ጥਘ⃘

། цḚࢭᖺ଑‧ 栾☟ጥ٦ᙽ⃞হݗᕥ৅ 栾዗᳻٩॒غ⓿ᙆ⦰ু⃞

ၬ۟๾ວِت цࢲ 1922 ± 1923 ၣ 栾೩ᷱா▛ᙽ⚄ᕥ㖭⃞⓼╚ဉ ۦ 栾ڞঘா೩ᷱᖣ≌ᐋ࢖᪉ჽ⃞៷ᅡᄞ 栾ᙽ⚄ጁ⃘།዗‧ڜ㊟⵶

⃞๾⌋ِت ц຅ாᔷ๾⃞হݗ࢛ᔆ 栾ாἱ⹐Ḏἱঘ࡚຅⅙೬๾⌋

ف 栾ㇺᄣࢲ٦ೲ㊡⃞ኩΌ ц

ࣕತᒄḂ

[1] 6 /LH *HVDPPHOWH $EKDQGOXQJHQ ) (QJHO DQG 3 +HHJDDUG HGV 6 9ROV /HLS]LJ2VOR 1922 ± 1937 ц

[2] 6 /LH DQG ) (QJHO 7KHRULH GHU 7UDQVIRUPDWLRQVJUXSSHQ 1 2 1888 31893 /HLS]LJ ц

[3] 6 /LH DQG * 6FKHIIHUV 9RUOHVXQJHQ hEHU 'LIIHUHQWLDOJOHLFKXQ JHQ PLW EHNDQQWHQ LQ ILQLWIHVLPDOHQ 7UDQVIRUPDWLRQHQ /HLS]LJ 1891 ц

[4] 6 /LH DQG * 6FKHIIHUV 9RUOHVXQJHQQ EHU FRQWLQXLHUOLFKH *UXS SHQ PLW JHRPHWVLVFKHQ XQG DQGHUHQ $QZHQGXQJHQ /HLS]LJ 1893 [5] 6 /LH DQG * 6FKHIIHUV *HRPHWULH GHU %HUKUXQJVWUDQVIRUPD

WLRQHQ /HLS]LJ 1896 ц

℠⊤ᒄḂ

[6] ( (QJHO6RSKXV /LH -DKUHVEHULFKWH GHU 'HXWVFKHQ 0DWHPDWLNHU 9HUHLQLJXQJ 81900 30 ± 46 ц

[7] 0 1RHWKHU 6RSKXV /LH 0DWKHPDWLVFKH $QQDOHQ 531900 1 ± 41 ц

[8] + )UHXGHQWKDO 6RSKXV /LH'LFWLRQDU\ RI VFLHQWLILF ELRJUD SK\ 9RO 8 323 ± 327 ц

Referensi