%0 Journal Article %A McFadden, R. %T Proper Dubreil-Jacotin inverse semigroups %J Glasgow mathematical journal %D 1975 %P 40-51 %V 16 %N 1 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089500002494/ %R 10.1017/S0017089500002494 %F 10_1017_S0017089500002494