@article{TIMM_2015_21_1_a11,
     author = {S. F. Kamornikov and O. L. Shemetkova},
     title = {On the existence of complements for residuals of finite groups},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {122--127},
     publisher = {mathdoc},
     volume = {21},
     number = {1},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2015_21_1_a11/}
}