000
00285nam a2200121Ia 4500
003
LDD
040
_c
LDD
041
_a
en
245
0
_a
American Journal of Mathematics
260
_a
Baltimore
_b
John Hopkins University
_c
1 Jan-30 Apr,1993
362
_a
115-115
_b
01-Feb
942
_2
ddc
_c
J
999
_c
191300
_d
191300