@article{DE_1992_28_3_a1,
     author = {V. A. Gustomesov},
     title = {Sliding modes in second-order piecewise-linear difference systems},
     journal = {Differencialʹnye uravneni\^a},
     pages = {380--390},
     publisher = {mathdoc},
     volume = {28},
     number = {3},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1992_28_3_a1/}
}