00294nam a2200133Ia 4500100002000000942000700020654001300027245002600040260004700066082001000113300000800123546001200131999001700143  aShanti narayan   cBK  acalculus  aDifferential Calculus  bShyam lal charitable trustaNewDelhic1985  a515.3  a328  aENGLISH  c31689d31689