000 00287nam a2200133Ia 4500
100 _aGorakh Prasad
942 _cBK
654 _acalculus
245 _aDifferential Calculus
260 _bPothishala Pvt. Ltd. Allahabad.
_c2001
082 _a515
300 _a376
546 _aENGLISH
999 _c31693
_d31693