@article{DE_1992_28_9_a2,
     author = {Kh. G. Guseinov},
     title = {Strongly invariant sets with respect to a differential inclusion, and the approach problem for discontinuous control systems},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1490--1498},
     publisher = {mathdoc},
     volume = {28},
     number = {9},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1992_28_9_a2/}
}