%0 Journal Article
%A V. A. Andrienko
%T Summability of orthogonal series by Ces\`aro methods of negative order
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 1988
%P 3-10
%N 9
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVM_1988_9_a0/
%G ru
%F IVM_1988_9_a0