@article{DE_1987_23_5_a3,
     author = {V. I. Gromak},
     title = {On the theory of the fourth {Painlev\'e} equation},
     journal = {Differencialʹnye uravneni\^a},
     pages = {760--768},
     year = {1987},
     volume = {23},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1987_23_5_a3/}
}