%0 Journal Article
%A Roman Sikorski
%T Quasi-inverses of morphisms
%J Fundamenta Mathematicae
%D 1973
%P 343-358
%V 81
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/fm-81-4-343-358/
%R 10.4064/fm-81-4-343-358
%G fr
%F 10_4064_fm_81_4_343_358