@article{ND_2024_20_4_a11,
     author = {V. S. Petukhov and Yu. L. Sachkov},
     title = {The {Lorentzian} {Problem} on {2-Dimensional} de {Sitter} {Space}},
     journal = {Russian journal of nonlinear dynamics},
     pages = {619--633},
     publisher = {mathdoc},
     volume = {20},
     number = {4},
     year = {2024},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ND_2024_20_4_a11/}
}