%0 Journal Article
%A A. B. Vasil'eva
%T The influence of local perturbations on the solution of a boundary value problem
%J Differencialʹnye uravneniâ
%D 1972
%P 581-589
%V 8
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1972_8_4_a1/
%G ru
%F DE_1972_8_4_a1