TY  - JOUR
AU  - G. G. Bulychev
TI  - The characteristic form of equations in the dynamics of
JO  - Doklady Akademii Nauk
PY  - 1990
SP  - 312
EP  - 316
VL  - 314
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1990_314_2_a12/
LA  - ru
ID  - DAN_1990_314_2_a12
ER  -