%0 Journal Article %A Levi, Inessa %A Schein, Boris M. %T The semigroup of one-to-one transformations with finite defects %J Glasgow mathematical journal %D 1989 %P 243-249 %V 31 %N 2 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089500007795/ %R 10.1017/S0017089500007795 %F 10_1017_S0017089500007795