%0 Journal Article
%A M. M. Symotyuk
%A I. Y. Savka
%T Metric estimates of small denominators in nonlocal boundary value problems
%J Vestnik Ûžno-Uralʹskogo gosudarstvennogo universiteta. Seriâ, Matematika, mehanika, fizika
%D 2015
%P 48-53
%V 7
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/VYURM_2015_7_3_a6/
%G ru
%F VYURM_2015_7_3_a6