@article{IVM_1991_3_a9,
     author = {A. K. Rybnikov},
     title = {The geometry of the solutions of a~third-order partial differential equation},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {49--53},
     publisher = {mathdoc},
     number = {3},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1991_3_a9/}
}