000
00276nam a2200121Ia 4500
008
230118s9999||||xx |||||||||||||| ||und||
082
_a
515.35
082
_b
KHA/D
100
_a
m.l
_b
khanna
245
0
_a
differential equations
260
_b
jai prakash nath&co
260
_c
1991
999
_c
5436
_d
5436