@article{DE_2003_39_11_a17,
     author = {G. A. Leonov},
     title = {A {Modification} of {Perron's} {Counterexample}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1566--1567},
     year = {2003},
     volume = {39},
     number = {11},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2003_39_11_a17/}
}