@article{DE_1967_3_9_a1,
     author = {N. G. Yarovoi},
     title = {The stability of a certain third-order system with variable structure},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1427--1436},
     publisher = {mathdoc},
     volume = {3},
     number = {9},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1967_3_9_a1/}
}