%0 Journal Article
%A Ladislav Skula
%T On c-semigroups
%J Acta Arithmetica
%D 1976
%P 247-257
%V 31
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/aa-31-3-247-257/
%R 10.4064/aa-31-3-247-257
%G en
%F 10_4064_aa_31_3_247_257