@article{DE_1974_10_4_a11,
     author = {N. A. Sakharnikov and S. F. Chistyakov},
     title = {On the question of certain linearization methods},
     journal = {Differencialʹnye uravneni\^a},
     pages = {671--675},
     publisher = {mathdoc},
     volume = {10},
     number = {4},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1974_10_4_a11/}
}