000
00262nam a2200109 4500
008
160616s 000 0
245
_a
Goldbach conjecture. Ed. by Wang Yuan
100
_a
Yyan, Wang
500
_a
B13 M41
942
_c
BK
_2
BK2472
_0
1
080
_a
511 YUAN
999
_c
2472
_d
2472