@article{DE_1984_20_9_a12,
     author = {V. N. Shchennikov},
     title = {The convergence phenomenon in complex systems of differential equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1566--1571},
     year = {1984},
     volume = {20},
     number = {9},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1984_20_9_a12/}
}