@article{DE_1965_1_6_a8,
     author = {B. A. Bel'tyukov},
     title = {On the difference between the method of series expansion with respect to a parameter and that of successive approximations for the solution of nonlinear integral equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {773--785},
     publisher = {mathdoc},
     volume = {1},
     number = {6},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1965_1_6_a8/}
}