00318nam a2200121 a 450000500170000002000150001708200150003210000210004724500480006826000360011630000280015270000160018020251203110154.0  a0387971513  a515.1bCOU  aCourant, Richard  aIntroduction to calculus and analysis;vol.1  aNew YorkbSpringer Verlagc1989  axxiii,661p.c23 cm P.B.  aJohn, Fritz