@article{DE_1975_11_8_a15,
     author = {V. T. Borukhov},
     title = {A certain generalization of {N.\,N.~Krasovski{\v\i}'s} condition for the controllability of nonstationary systems},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1501--1502},
     publisher = {mathdoc},
     volume = {11},
     number = {8},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1975_11_8_a15/}
}