%0 Journal Article
%A Jerzy Płonka
%T Some remarks on sums of direct systems of algebras
%J Fundamenta Mathematicae
%D 1968
%P 301-308
%V 62
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/fm-62-3-301-308/
%R 10.4064/fm-62-3-301-308
%G en
%F 10_4064_fm_62_3_301_308