%0 Journal Article
%A Voráč, František
%T Subgroups and normal subgroups as systems of ideals
%J Archivum mathematicum
%D 1980
%P 239-244
%V 16
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ARM_1980__16_4_a8/
%G en
%F ARM_1980__16_4_a8