%0 Journal Article
%A Charvát, František
%T On problems concerning extension of linear operations on linear spaces
%J Commentationes Mathematicae Universitatis Carolinae
%D 1971
%P 105-115
%V 12
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMUC_1971__12_1_a11/
%G en
%F CMUC_1971__12_1_a11