%0 Journal Article
%T Existence of periodic travelling waves in Fermi-Pasta-Ulam system on 2D¨Clattice(in Ukrainian)
%A S. M. Bak
%J Matematychni Studii
%D 2012
%I Lviv Mathematical Society, VNTL Publishers
%X It is considered the system of differential equations that describes the dynamics of an infinite system of atoms on 2D{lattice. Results on existence of the periodic travelling waves are obtained.
%K system of differential equation
%K periodic travelling waves
%K 2D¨Clattice
%U http://matstud.org.ua/texts/2012/37_1/76-88.pdf