%0 Journal Article
%A Trnková, Věra
%T Productive representations of semigroups by pairs of structures
%J Commentationes Mathematicae Universitatis Carolinae
%D 1977
%P 383-391
%V 18
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMUC_1977__18_2_a15/
%G en
%F CMUC_1977__18_2_a15