@article{ISU_2019_19_3_a0,
     author = {V. A. Kyrov},
     title = {Analytic embedding of geometries of constant curvature on a pseudosphere},
     journal = {Izvestiya of Saratov University. Mathematics. Mechanics. Informatics},
     pages = {246--257},
     publisher = {mathdoc},
     volume = {19},
     number = {3},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ISU_2019_19_3_a0/}
}