000 00242nam a2200097Ia 4500
008 220310s9999||||xx |||||||||||||| ||und||
100 _aKOOROS, A
_93508
245 0 _aELEMENTS OF MATHEMATICAL ECONOMICS
650 _aMATHEMATICS
_91420
942 _cBK
999 _c4543
_d4543