@article{DE_1967_3_5_a3,
     author = {Yu. S. Bogdanov and M. P. Bogdanova},
     title = {A nonlinear analog of the {Ljapunov} transformation},
     journal = {Differencialʹnye uravneni\^a},
     pages = {742--748},
     publisher = {mathdoc},
     volume = {3},
     number = {5},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1967_3_5_a3/}
}