000 00429nam a2200145Ia 4500
008 180713s9999 xx 000 0 und d
082 _a515.64 G1
100 _a"Gupta, A S "
245 0 _aCalculus of Variations With Applications
260 _aNew Delhi
260 _b Phi Learning Pvt Ltd
260 _c2017
365 _b275
942 _cBK
999 _c115175
_d115175