00292n   a2200121 a 4500000002100000001000700021005001700028082002200045100001900067245003100086260004200117300001100159B B                 01279320220201181301.0  a510.24338bN4 MAT  aSimon, Carl P.  aMathematics for economists  aNew YorkbW.W. Norton & Companyc1994  axx,930