000 00311nam a2200109Ia 4500
005 20260316114028.0
008 260316s9999||||xx |||||||||||||| ||und||
100 _aRichard Courant Robbins Stewart
245 0 _aWhat is Mathematics: an elementary approach to ideas and methods
650 _aMathematics
942 _cBK
999 _c2722
_d2722