@article{DE_1967_3_7_a13,
     author = {Yu. D. Kashchenko},
     title = {A nonlinear differential equation with a polynomial functional generating it},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1157--1165},
     publisher = {mathdoc},
     volume = {3},
     number = {7},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1967_3_7_a13/}
}