000
00251nam a2200109 4500
008
160616s 000 0
245
_a
Intergral equations
100
_a
Mikhlin, S.G
500
_a
B33 J71-J71:1
942
_c
BK
_2
BK1070
080
_a
517.96 MIK
999
_c
1070
_d
1070