@article{DE_1979_15_5_a18,
     author = {V. \`E. Zhavnerchik},
     title = {\"Uber periodische {L\"osungen} gewisser {Gleichungen,} die hinsichtlich der h\"ochsten {Ableitung} nicht explizit sind},
     journal = {Differencialʹnye uravneni\^a},
     pages = {936--937},
     publisher = {mathdoc},
     volume = {15},
     number = {5},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1979_15_5_a18/}
}