@article{DAN_1967_173_1_a12,
     author = {V. S. Charin},
     title = {Groups with complemented subgroups},
     journal = {Doklady Akademii Nauk},
     pages = {50--53},
     year = {1967},
     volume = {173},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1967_173_1_a12/}
}