%0 Journal Article
%A A. Sołtysiak
%T On the projection property of approximate point joint spectra
%J Commentationes Mathematicae
%D 1989
%P  79-84
%V 29
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.14708/cm.v29i1.6258/
%R 10.14708/cm.v29i1.6258
%G pl
%F 10_14708_cm_v29i1_6258