%0 Journal Article
%A J.J. Koliha
%T Convergence of an operator series.
%J Aequationes mathematicae
%D 1977
%P 31-36
%V 16
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AM2_1977__16_136672/
%F AM2_1977__16_136672