@article{MZM_1982_32_3_a11,
     author = {V. V. Popov},
     title = {Normality of the exponent in {Ochan} topologies},
     journal = {Matemati\v{c}eskie zametki},
     pages = {375--484},
     publisher = {mathdoc},
     volume = {32},
     number = {3},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1982_32_3_a11/}
}