Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1975_223_3_a13, author = {G. V. Rozenblum}, title = {Almost similarity of pseudodifferential systems on a circle}, journal = {Doklady Akademii Nauk}, pages = {569--571}, publisher = {mathdoc}, volume = {223}, number = {3}, year = {1975}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1975_223_3_a13/} }
G. V. Rozenblum. Almost similarity of pseudodifferential systems on a circle. Doklady Akademii Nauk, Tome 223 (1975) no. 3, pp. 569-571. http://geodesic.mathdoc.fr/item/DAN_1975_223_3_a13/