%0 Journal Article
%A E. M. Vorob'ev
%T Partial symmetries of systems of differential equations
%J Doklady Akademii Nauk
%D 1986
%P 536-539
%V 287
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1986_287_3_a4/
%G ru
%F DAN_1986_287_3_a4