Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_2003_39_2_a16, author = {L. A. Danilovich and V. N. Laptinskii}, title = {On {Periodic} {Solutions} of a {Lyapunov} {Type} {Equation}}, journal = {Differencialʹnye uravneni\^a}, pages = {281--283}, publisher = {mathdoc}, volume = {39}, number = {2}, year = {2003}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_2003_39_2_a16/} }
L. A. Danilovich; V. N. Laptinskii. On Periodic Solutions of a Lyapunov Type Equation. Differencialʹnye uravneniâ, Tome 39 (2003) no. 2, pp. 281-283. http://geodesic.mathdoc.fr/item/DE_2003_39_2_a16/