%0 Journal Article
%A G. Markhasev
%T A system of nonorthogonal polynomials for constructing a solution of the Riquier problem in a ball for a semiharmonic equation
%J Differencialʹnye uravneniâ
%D 1990
%P 714-718
%V 26
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1990_26_4_a23/
%G ru
%F DE_1990_26_4_a23