Free products with amalgamation of inverse semigroups
1976 ◽
Vol 22
(2)
◽
pp. 246-251
◽
1994 ◽
Vol 124
(1)
◽
pp. 137-147
◽
Keyword(s):
1961 ◽
Vol 12
(4)
◽
pp. 669
◽
1998 ◽
Vol 189
(8)
◽
pp. 1125-1137
◽