%0 Journal Article
%A V. A. Kovalev
%A Yu. N. Radayev
%T An optimal system constructing algorithm for symmetry algebra of three-dimensional equations of the perfect plasticity
%J Izvestiya of Saratov University. Mathematics. Mechanics. Informatics
%D 2011
%P 61-77
%V 11
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ISU_2011_11_2_a9/
%G ru
%F ISU_2011_11_2_a9