TY  - JOUR
AU  - V. A. Kovalev
AU  - Yu. N. Radayev
TI  - An optimal system constructing algorithm for symmetry algebra of three-dimensional equations of the perfect plasticity
JO  - Izvestiya of Saratov University. Mathematics. Mechanics. Informatics
PY  - 2011
SP  - 61
EP  - 77
VL  - 11
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ISU_2011_11_2_a9/
LA  - ru
ID  - ISU_2011_11_2_a9
ER  -