Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_2023_114_1_a13, author = {Yu. L. Sachkov}, title = {Lorentzian {Geometry} on the {Lobachevsky} {Plane}}, journal = {Matemati\v{c}eskie zametki}, pages = {154--157}, publisher = {mathdoc}, volume = {114}, number = {1}, year = {2023}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_2023_114_1_a13/} }
Yu. L. Sachkov. Lorentzian Geometry on the Lobachevsky Plane. Matematičeskie zametki, Tome 114 (2023) no. 1, pp. 154-157. http://geodesic.mathdoc.fr/item/MZM_2023_114_1_a13/