%0 Journal Article
%A Ajmal, Naseem
%T Groupoids with a closure condition
%J Časopis pro pěstování matematiky
%D 1980
%P 14-22
%V 105
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.21136/CPM.1980.118043/
%R 10.21136/CPM.1980.118043
%G en
%F 10_21136_CPM_1980_118043