000 00320nam a2200145Ia 4500
003 LDD
040 _cLDD
082 _a515.35 D26D
100 _aDas, B.C
245 0 _aDifferential calculus
_cB.C Das
260 _aCalcutta
_bU.N. Dhur & Sons
_c1992
300 _axx, 487p
901 _a14957
_b16-01-2017
942 _2ddc
_cG
999 _c2256
_d2256