@article{DE_1980_16_11_a9,
     author = {S. A. Nefedov},
     title = {Dynamical systems with a nonexpanding domain of attainability},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1995--2002},
     publisher = {mathdoc},
     volume = {16},
     number = {11},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1980_16_11_a9/}
}