TY  - JOUR
AU  - O. V. Kaptsov
TI  - Extension of the symmetry of evolution equations
JO  - Doklady Akademii Nauk
PY  - 1982
SP  - 1056
EP  - 1059
VL  - 262
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1982_262_5_a6/
LA  - ru
ID  - DAN_1982_262_5_a6
ER  -