@article{DAN_1970_191_5_a18,
     author = {I. G. Fikhtengol'ts},
     title = {On the gravitational pressure in the {Fridman{\textendash}Lobachevsky} space},
     journal = {Doklady Akademii Nauk},
     pages = {1028--1030},
     year = {1970},
     volume = {191},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1970_191_5_a18/}
}