%0 Journal Article
%A V. L. Makarov
%A S. V. Makarov
%A M. N. Moskal'kov
%T Spectral properties of the Laplace difference operator on a hexagonal grid, and some of their applications
%J Differencialʹnye uravneniâ
%D 1993
%P 1216-1221
%V 29
%N 7
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1993_29_7_a13/
%G ru
%F DE_1993_29_7_a13