%0 Journal Article
%A J.J. Koliha
%T Convergence of an operator series. (Short Communication).
%J Aequationes mathematicae
%D 1977
%P 303-304
%V 15
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AM2_1977__15_136658/
%F AM2_1977__15_136658