@article{DE_2003_39_12_a3,
     author = {A. M. Krasnosel'skii and D. I. Rachinskii},
     title = {Continua of {Cycles} of {Higher-Order} {Equations}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1605--1616},
     publisher = {mathdoc},
     volume = {39},
     number = {12},
     year = {2003},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2003_39_12_a3/}
}