000
00261nam a2200109 4500
008
160616s 000 0
245
_a
Ordinary differential equations
100
_a
Kalplan, Wilfred
500
_a
B331 K1
942
_c
BK
_2
BK1137
080
_a
517.91 KAP
999
_c
1137
_d
1137