%0 Journal Article %A Kuřil, Martin %A Szendrei, Mária B. %T Extensions by inverse semigroups andλ-semidirect products %J Glasgow mathematical journal %D 1999 %P 355-367 %V 41 %N 3 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089599000373/ %R 10.1017/S0017089599000373 %F 10_1017_S0017089599000373