%0 Journal Article
%A E. V. Radkevich
%T Boundary-variation method in Pozzi--Friedman problems
%J Doklady Akademii Nauk
%D 1980
%P 839-843
%V 255
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1980_255_4_a17/
%G ru
%F DAN_1980_255_4_a17