Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1988_24_9_a5, author = {A. A. Liverovskiy and N. N. Petrov}, title = {Normal local controllability}, journal = {Differencialʹnye uravneni\^a}, pages = {1520--1528}, publisher = {mathdoc}, volume = {24}, number = {9}, year = {1988}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1988_24_9_a5/} }
A. A. Liverovskiy; N. N. Petrov. Normal local controllability. Differencialʹnye uravneniâ, Tome 24 (1988) no. 9, pp. 1520-1528. http://geodesic.mathdoc.fr/item/DE_1988_24_9_a5/