@article{DE_1979_15_8_a6,
     author = {I. A. Malysheva},
     title = {Boundedness of solutions of a {Li\'enard} differential equation},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1420--1426},
     publisher = {mathdoc},
     volume = {15},
     number = {8},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1979_15_8_a6/}
}