00664nam a2200217Ia 4500003000400000005001700004008004100021020001400062040001800076041000800094082002000102100002200122245011200144250001300256260004900269300002500318650003700343650003100380650001300411700002200424OSt20260311104501.0210716s1996    xx            000 0 und d  a195105192  cAIMIT LIBRARY  aeng  a511.2 22bCOUR  aCourant, Richard.  aWhat is mathematics : belementary approach to ideas and methods /cBy Richard Courant and Herbert Robbins.  a2nd ed.   aNew York :bOxford University Press ,c1996.  a566p. ;bPBc23.3 cm  aThe number system of mathematics  aGeometrical constructions   aTopology  aRobbins, Herbert.