%0 Journal Article
%A I. N. Rodionova
%A V. M. Dolgopolov
%T A similar for $\Delta_1$ problem for the second-order hyperbolic equation in the 3D Euclidean space
%J Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences
%D 2015
%P 697-709
%V 19
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/VSGTU_2015_19_4_a8/
%G ru
%F VSGTU_2015_19_4_a8