000
00244nam a2200109 4500
008
160616s 000 0
245
_a
Semigroups
100
_a
Folley, Karl W. Ed.
500
_a
B27 K91
942
_c
BK
_2
BK5432
080
_a
512.542 FOL
999
_c
5432
_d
5432