00373nam a2200145Ia 4500008004100000041000800041082001600049100002000065245004500085250000600130260004000136300001500176365001000191650002600201210719s1956    xx            000 0 und d  aeng  a515.33 PRAT  aPRASAD (Gorakh)  aText book on differential calculus. Ed.8  a8  aAllahabadbPothishala Pvt Ltdc1956  aiv,300bHB  b5cRs  aDifferential Calculus