@article{MZM_1968_4_1_a10,
     author = {S. N. Chernikov},
     title = {On periodic groups of automorphisms of extremal groups},
     journal = {Matemati\v{c}eskie zametki},
     pages = {91--96},
     publisher = {mathdoc},
     volume = {4},
     number = {1},
     year = {1968},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1968_4_1_a10/}
}