%0 Journal Article
%A V. I. Korzyuk
%A I. S. Kozlovskaja
%A S. N. Naumavets
%T Statement of border tasks on the plane dependent on the coefficients for the type of the wave equation.~I
%J Trudy Instituta matematiki
%D 2019
%P 29-36
%V 27
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TIMB_2019_27_1_a3/
%G ru
%F TIMB_2019_27_1_a3