Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1968_181_2_a17, author = {O. E. Shushpanov}, title = {Quasioptical lines with bounded non-equidistant correctors}, journal = {Doklady Akademii Nauk}, pages = {324--326}, publisher = {mathdoc}, volume = {181}, number = {2}, year = {1968}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1968_181_2_a17/} }
O. E. Shushpanov. Quasioptical lines with bounded non-equidistant correctors. Doklady Akademii Nauk, Tome 181 (1968) no. 2, pp. 324-326. http://geodesic.mathdoc.fr/item/DAN_1968_181_2_a17/