@article{DE_1996_32_3_a1,
     author = {N. A. Bobylev and S. K. Korovin},
     title = {An iterative algorithm for the approximate construction of cycles of autonomous systems},
     journal = {Differencialʹnye uravneni\^a},
     pages = {301--306},
     publisher = {mathdoc},
     volume = {32},
     number = {3},
     year = {1996},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1996_32_3_a1/}
}