%0 Journal Article %A Miyuki Yamada %T QUASI-INVERSE SEMIGROUP CONGRUENCES ON AN ORTHODOX SEMIGROUP. %J Semigroup forum %D 1975 %P 363-369 %V 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/SF_1975__11_134149/ %G en %F SF_1975__11_134149