Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_2003_39_12_a8, author = {I. V. Chebunin}, title = {Controllability {Conditions} for the {Riccati} {Equation}}, journal = {Differencialʹnye uravneni\^a}, pages = {1654--1661}, publisher = {mathdoc}, volume = {39}, number = {12}, year = {2003}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_2003_39_12_a8/} }
I. V. Chebunin. Controllability Conditions for the Riccati Equation. Differencialʹnye uravneniâ, Tome 39 (2003) no. 12, pp. 1654-1661. http://geodesic.mathdoc.fr/item/DE_2003_39_12_a8/