TY  - JOUR
AU  - Ya. B. Zel'dovich
AU  - B. A. Malomed
TI  - Topological invariants and strings in self-oscillatory system
JO  - Doklady Akademii Nauk
PY  - 1980
SP  - 92
EP  - 94
VL  - 254
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1980_254_1_a21/
LA  - ru
ID  - DAN_1980_254_1_a21
ER  -