%0 Journal Article
%A A. V. Zhiber
%T Conservation laws for the equation $u_{tt}-u_{xx}+\sin u=0$
%J Funkcionalʹnyj analiz i ego priloženiâ
%D 1977
%P 65-66
%V 11
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/FAA_1977_11_1_a10/
%G ru
%F FAA_1977_11_1_a10