TY  - JOUR
AU  - B. A. Dubrovin
TI  - On S.\,P.~Novikov's conjecture in the theory of $\theta$-functions and nonlinear equations of Korteweg--de Vries and Kadomtsev--Petviashvili type
JO  - Doklady Akademii Nauk
PY  - 1980
SP  - 541
EP  - 544
VL  - 251
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1980_251_3_a5/
LA  - ru
ID  - DAN_1980_251_3_a5
ER  -