@article{DAN_1964_157_5_a9,
     author = {E. I. Obolashvili},
     title = {A generalization of the {Riemann--Schwarz} symmetry principle and its applications},
     journal = {Doklady Akademii Nauk},
     pages = {1051--1053},
     publisher = {mathdoc},
     volume = {157},
     number = {5},
     year = {1964},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1964_157_5_a9/}
}