00294nam a2200121Ia 4500008004100000100001500041245003300056260003400089300000900123650001600132942000700148999001700155190216s9999||||xx |||||||||||||| ||und||  aSharma J.N 0aAdvanced Diffential Calculus  bKrishna Prakasan Mandirc1979  a244p  aMathematics  cBK  c30630d30630