000
00295nam a2200121 4500
008
160616s 000 0
245
_a
Introduction to abstract mathematical systems
100
_a
Burton, David M
500
_a
B25 K53
942
_c
BK
_2
BK5313
080
_a
512 BUR
080
_a
512 BUR
999
_c
5313
_d
5313