@article{DE_1974_10_6_a5,
     author = {Ya. B. Pesin},
     title = {The behavior of the solutions of a certain strongly nonlinear differential equation with retarded argument},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1025--1036},
     publisher = {mathdoc},
     volume = {10},
     number = {6},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1974_10_6_a5/}
}