@article{DE_1994_30_2_a0,
     author = {V. V. Basov},
     title = {Convergence of normalizing transformations of a nonautonomous system of differential equations with a small parameter multiplying the derivative},
     journal = {Differencialʹnye uravneni\^a},
     pages = {187--196},
     publisher = {mathdoc},
     volume = {30},
     number = {2},
     year = {1994},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1994_30_2_a0/}
}