@article{DAN_1989_305_4_a11,
     author = {P. N. Kropotkin},
     title = {Perfect cosmological principle and the {Hubble} effect},
     journal = {Doklady Akademii Nauk},
     pages = {820--824},
     year = {1989},
     volume = {305},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1989_305_4_a11/}
}