@article{AA_2018_30_1_a4,
     author = {D. D. Kiselev and A. V. Yakovlev},
     title = {Ultrasolvable and {Sylow} extensions with cyclic kernel},
     journal = {Algebra i analiz},
     pages = {128--138},
     publisher = {mathdoc},
     volume = {30},
     number = {1},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_2018_30_1_a4/}
}