000
00281nam a22001217a 4500
040
_c
SY
082
_a
510
100
_a
EDWARD T
245
_a
Theory and problems of mathematical methods for business and economics
260
_a
NEW YORK
_b
EDW
_c
1993
300
_a
384p.
942
_c
EK
999
_c
9918
_d
9918