@article{DAN_1996_348_6_a7,
     author = {V. P. Shestopalov},
     title = {The {Kadomtsev--Petviashvili} equation in a neighborhood of a {Morse} critical point},
     journal = {Doklady Akademii Nauk},
     pages = {749--751},
     publisher = {mathdoc},
     volume = {348},
     number = {6},
     year = {1996},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1996_348_6_a7/}
}