00281nam a22001217a 4500 SY 510 EDWARD T Theory and problems of mathematical methods for business and economics NEW YORK EDW 1993 384p. EK 9918 9918 0 0 0 510_000000000000000_EDW_1993 0 52129 LBC LBC C173 2016-09-15 510 EDW 1993 RUA036612 2016-09-15 EK 0 0 0 510_000000000000000_EDW_1993 0 53058 LBC LBC C173 2016-10-14 510 EDW 1993 RUA036492 2016-10-14 2016-10-14 EK