%0 Journal Article
%A G. Gromadzki
%T Abelian group of automorphisms of compact non-orientable Klein surfaces with boundary
%J Commentationes Mathematicae
%D 1989
%P  197-217
%V 28
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.14708/cm.v28i2.6234/
%R 10.14708/cm.v28i2.6234
%G pl
%F 10_14708_cm_v28i2_6234