Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1977_13_10_a20, author = {V. I. Bulatov}, title = {Spectral controllability of systems with lag}, journal = {Differencialʹnye uravneni\^a}, pages = {1876--1878}, publisher = {mathdoc}, volume = {13}, number = {10}, year = {1977}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1977_13_10_a20/} }
V. I. Bulatov. Spectral controllability of systems with lag. Differencialʹnye uravneniâ, Tome 13 (1977) no. 10, pp. 1876-1878. http://geodesic.mathdoc.fr/item/DE_1977_13_10_a20/