@article{DE_1987_23_2_a23,
     author = {R. P. Kuzmina},
     title = {On the method of successive approximations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {352--353},
     year = {1987},
     volume = {23},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1987_23_2_a23/}
}