%0 Journal Article
%A S. A. Nazarov
%T The Essential Spectrum of Boundary Value Problems for Systems of Differential Equations in a Bounded Domain with a~Cusp
%J Funkcionalʹnyj analiz i ego priloženiâ
%D 2009
%P 55-67
%V 43
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/FAA_2009_43_1_a3/
%G ru
%F FAA_2009_43_1_a3