@article{DE_1996_32_9_a19,
     author = {I. D. Kolesin},
     title = {Cyclic oscillations in a model of an epidemic process},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1289--1290},
     publisher = {mathdoc},
     volume = {32},
     number = {9},
     year = {1996},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1996_32_9_a19/}
}