@article{DE_1972_8_11_a21,
     author = {N. S. Kolesnikova and N. A. Lukashevich},
     title = {A certain class of third order differential equations with stationary critical singular points},
     journal = {Differencialʹnye uravneni\^a},
     pages = {2082--2086},
     publisher = {mathdoc},
     volume = {8},
     number = {11},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1972_8_11_a21/}
}