%0 Journal Article
%A N. A. Lebedev
%T Area principle in the problem of non-overlapping regions
%J Doklady Akademii Nauk
%D 1960
%P 758-761
%V 132
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1960_132_4_a6/
%G ru
%F DAN_1960_132_4_a6