000 00301nam a2200121Ia 4500
008 221117b |||||||| |||| 00| 0 eng d
040 _aBGL
_cBGL
082 _a515.3PRA;D
100 _aPrabhakar, T R
245 0 _aDifferential Calculus
260 _aNew Delhi
_bSultan Chand & Sons
_c1978
942 _cGB
999 _c31266
_d31266