@article{DE_1997_33_4_a2,
     author = {O. V. Anashkin},
     title = {The averaging method in the theory of stability of functional-differential equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {448--457},
     publisher = {mathdoc},
     volume = {33},
     number = {4},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1997_33_4_a2/}
}