@article{DAN_1980_251_3_a5,
     author = {B. A. Dubrovin},
     title = {On {S.\,P.~Novikov's} conjecture in the theory of $\theta$-functions and nonlinear equations of {Korteweg--de} {Vries} and {Kadomtsev--Petviashvili} type},
     journal = {Doklady Akademii Nauk},
     pages = {541--544},
     publisher = {mathdoc},
     volume = {251},
     number = {3},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1980_251_3_a5/}
}