%0 Journal Article
%A B. L. Markovski
%A D. Ts. Stoyanov
%T Invariant equations for nonlinearly-transforming fields and laws of conservation
%J Teoretičeskaâ i matematičeskaâ fizika
%D 1969
%P 337-349
%V 1
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TMF_1969_1_3_a3/
%G ru
%F TMF_1969_1_3_a3