@article{DE_1995_31_8_a19,
     author = {A. P. Begun},
     title = {Nondenseness of a set of equations with singular periodic solutions},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1434--1435},
     publisher = {mathdoc},
     volume = {31},
     number = {8},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1995_31_8_a19/}
}