000 00287nam a2200121Ia 4500
008 230303s9999 xx 000 0 und d
041 _aeng
082 _a515.3 PIS
100 _aPISKUNOV (N)
245 _aDifferential and Intergral Calculus
260 _aNew Delhi
_bTMH
365 _cRS
999 _c174873
_d174873