%0 Journal Article
%A G. G. Ivanov
%T Polynomial conservation laws and exact solutions associated with isometric and homothetic symmetries in the nonlinear sigma model
%J Teoretičeskaâ i matematičeskaâ fizika
%D 1985
%P 144-152
%V 62
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TMF_1985_62_1_a11/
%G ru
%F TMF_1985_62_1_a11