@article{DAN_1987_293_1_a17,
     author = {V. B. Matveev and A. O. Smirnov},
     title = {On the simplest trigonal solutions of the {Boussinesq} equation and the {Kadomtsev--Petviashvili} equation},
     journal = {Doklady Akademii Nauk},
     pages = {78--82},
     publisher = {mathdoc},
     volume = {293},
     number = {1},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1987_293_1_a17/}
}