%0 Journal Article
%A Jan Waszkiewicz
%T The two Warsaw
%J Antiquitates Mathematicae
%D 2016
%P  223-229
%V 10
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.14708/am.v10i0.1545/
%R 10.14708/am.v10i0.1545
%G pl
%F 10_14708_am_v10i0_1545