00317nam a2200121Ia 4500008004100000040001700041041001200058082001600070100001900086245003900105260004000144300001100184230917s9999||||xx |||||||||||||| ||und||  e203405aMAIN  aEnglish  a515.33 P65T  aPrasad, Gorakh 0aText-book on differential calculus  aAllahabadbPothishala Privatec1970  a377 p.