%0 Journal Article
%A Sh. I. Il'yasov
%T Certain questions of systems of orthogonal polynomials that relate to a two-dimensional domain
%J Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki
%D 1969
%P 120-124
%V 129
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/UZKU_1969_129_3_a10/
%G ru
%F UZKU_1969_129_3_a10