000
00261nam a2200109 4500
082
_a
515.35ANS
100
_a
Ansari, A.A
245
_a
A Textbook Of Differential Equations
260
_a
New Delhi:
_b
Swastick Publishers,
_c
2007.
300
_a
394p. ;
942
_c
BK
999
_c
10760
_d
10760