000
00273nam a22000977a 4500
008
210222b ||||| |||| 00| 0 eng d
020
_a
0153515651
245
_a
MATHEMATICS UNLIMTED
_c
HBJ
260
_a
TORONTO
_b
HBJ
_c
1991
942
_2
lcc
_h
QA267.5.S4 .K64 1970
999
_c
384
_d
384