%0 Journal Article
%A Jasem, Milan
%T Weak isometries in directed groups
%J Mathematica slovaca
%D 1994
%P 39-43
%V 44
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MASLO_1994__44_1_a3/
%G en
%F MASLO_1994__44_1_a3