00292nam a2200097Ia 4500008004100000082001500041100001900056245006500075260004600140300000800186190710s9999    xx            000 0 und d  a517.3 G65T  aPrasad, Gorakh 0aT B On Integral Calculus and Elementry Differetial Equations  aAllahabadbPothishala private limitc1977  a318