@article{AL_2014_53_5_a1,
     author = {D. V. Lytkina and V. D. Mazurov and A. S. Mamontov and E. Jabara},
     title = {Groups whose element orders do not exceed~6},
     journal = {Algebra i logika},
     pages = {570--586},
     publisher = {mathdoc},
     volume = {53},
     number = {5},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_2014_53_5_a1/}
}