@article{TMF_2006_146_1_a3,
     author = {V. S. Dryuma},
     title = {Toward a {Theory} of {Spaces} of {Constant} {Curvature}},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {42--54},
     publisher = {mathdoc},
     volume = {146},
     number = {1},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2006_146_1_a3/}
}