@article{DE_1986_22_4_a0,
     author = {Yu. A. Mitropol'skii and C. Lila and A. A. Martynyuk},
     title = {Some trends in {V.} {Lakshmikantham's} investigations in the theory of differential equations and their applications},
     journal = {Differencialʹnye uravneni\^a},
     pages = {555--572},
     publisher = {mathdoc},
     volume = {22},
     number = {4},
     year = {1986},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1986_22_4_a0/}
}