@article{DAN_1973_212_5_a8,
     author = {Yu. A. Mitropol'skii and P. F. Fil'chakov},
     title = {The solution of nonlinear differential equations with deviating argument by means of series},
     journal = {Doklady Akademii Nauk},
     pages = {1059--1062},
     publisher = {mathdoc},
     volume = {212},
     number = {5},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1973_212_5_a8/}
}