@article{DE_1984_20_8_a17,
     author = {V. V. Basov and A. V. Skitovich},
     title = {A complex cycle twice passing through a simple saddle},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1429--1431},
     publisher = {mathdoc},
     volume = {20},
     number = {8},
     year = {1984},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1984_20_8_a17/}
}