@article{GDZPPN001257293, title = {Quasi-inverse semigroups with special involution.}, journal = {Semigroup forum}, volume = {30}, year = {1984}, pages = {283-290}, zbl = {0535.20037}, url = {http://dml.mathdoc.fr/item/GDZPPN001257293} }
Yamada, M. Quasi-inverse semigroups with special involution.. Semigroup forum, Tome 30 (1984) pp. 283-290. http://gdmltest.u-ga.fr/item/GDZPPN001257293/