000 00276nam a2200109Ia 4500
008 190703s9999 xx 000 0 und d
082 _a517.2 G661
100 _aGORAKH PRASAD
245 0 _aTEXT BOOK ON DIFFERENTIAL CALCULUS
260 _aAllahabad
_bPothishala
942 _cBB
_2DDC
999 _c6227
_d6227