%0 Journal Article
%A Vasily Yu. Goncharov
%T Existence criteria in some extremum problems involving eigenvalues of elliptic operators
%J Žurnal Sibirskogo federalʹnogo universiteta. Matematika i fizika
%D 2016
%P 37-47
%V 9
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/JSFU_2016_9_1_a4/
%G en
%F JSFU_2016_9_1_a4