@article{DE_1989_25_6_a1,
     author = {V. I. Guliaev and A. L. Zubritskaya and V. L. Koshkin},
     title = {Construction of sequences of multiple-period-increase bifurcations of solutions of nonlinear ordinary differential equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {929--933},
     publisher = {mathdoc},
     volume = {25},
     number = {6},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1989_25_6_a1/}
}