@article{MZM_2008_83_3_a0,
     author = {S. I. Adian},
     title = {Groups with {Periodic} {Defining} {Relations}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {323--332},
     year = {2008},
     volume = {83},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2008_83_3_a0/}
}