%0 Journal Article
%A I. G. Tsar'kov
%T Nonunique Solvability of Certain Differential Equations and Their Connection with Geometric Approximation Theory
%J Matematičeskie zametki
%D 2004
%P 287-301
%V 75
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_2004_75_2_a11/
%G ru
%F MZM_2004_75_2_a11