@article{TMF_2023_215_3_a7,
     author = {Yu. G. Ignatev},
     title = {Evolution of spherical perturbations in the~cosmological},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {465--499},
     year = {2023},
     volume = {215},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2023_215_3_a7/}
}