003580000a22001330004500060000800000082001200008100002100020100001600041245004600057260003700103260000900140300000800149650006700157  a100  a515 COU  aCourant, Richard  aJohn, Fritz  aIntroduction to calculus and analysis V 1  aNewyork, Interscience publishers  c1965  a661  aMathematics-analysis/ integral calculus/ differential calculus