000
00237nam a2200097Ia 4500
008
170619s9999 xx 000 0 und d
100
_a
Gupta A S
245
0
_a
Calculas of Variations with Application
260
_b
New Delhi: PHI
260
_c
1999
546
_a
ENGLISH
999
_c
16332
_d
16332