@article{TIMM_2011_17_4_a15,
     author = {A. S. Kondrat'ev and I. V. Khramtsov},
     title = {On finite tetraprimary groups},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {142--159},
     publisher = {mathdoc},
     volume = {17},
     number = {4},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2011_17_4_a15/}
}