000 00246nam a2200097Ia 4500
008 201231s9999 xx 000 0 und d
100 _aDas, B. C. and Mukherjee, B. N.
245 0 _aDifferential Calculus
260 _aCalcutta
_bU N Dhar
942 _cBK
999 _c9816
_d9816