00291nam a2200109Ia 4500008004100000041000800041082001600049100002400065245006600089260001900155365000700174230303s9999    xx            000 0 und d  aeng  a510.712 DOW  aDOWLING (EDWARD T.)  aTheory and Problems of Introduction to Mathematical Economics  aNew DelhibTMH  cRS