@article{IVM_1977_4_a10,
     author = {Ya. D. Polovitskii},
     title = {Periodic groups with extremal classes of conjugate abelian subgroups},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {95--101},
     publisher = {mathdoc},
     number = {4},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1977_4_a10/}
}