Voir la notice de l'article provenant de la source Math-Net.Ru
@article{TRSPY_1977_143_a3, author = {V. I. Blagodatskikh}, title = {The controllability problem for linear systems}, journal = {Informatics and Automation}, pages = {57--67}, publisher = {mathdoc}, volume = {143}, year = {1977}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TRSPY_1977_143_a3/} }
V. I. Blagodatskikh. The controllability problem for linear systems. Informatics and Automation, Analytic number theory, mathematical analysis and their applications, Tome 143 (1977), pp. 57-67. http://geodesic.mathdoc.fr/item/TRSPY_1977_143_a3/