000
00325nam a2200121 4500
008
160616s 000 0
245
_a
Theory of differential equations. Vol.3 and 4
100
_a
Forsyth, Andrew Rusell
500
_a
B33 J9.1-J9.6
650
_a
Differential Equations
942
_c
BK
_2
BK1076
080
_a
517.9 FOR
999
_c
1076
_d
1076