000
00291nam a2200121 4500
008
160616s 000 0
245
_a
Approximate methods of higher analysis
100
_a
Kantorovoch, L.V
100
_a
Krylov, V.I
500
_a
B3 J8
942
_c
BK
_2
BK3414
080
_a
517 KAN
999
_c
3414
_d
3414