@article{TMF_2014_181_3_a12,
     author = {A. E. Shabad},
     title = {Singular center as a~nongravitational black hole},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {603--613},
     publisher = {mathdoc},
     volume = {181},
     number = {3},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2014_181_3_a12/}
}