@article{DAN_1970_194_6_a9,
     author = {S. N. Chernikov},
     title = {Infinite nonabelian groups with an invariance condition for infinite nonabelian subgroups},
     journal = {Doklady Akademii Nauk},
     pages = {1280--1283},
     publisher = {mathdoc},
     volume = {194},
     number = {6},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1970_194_6_a9/}
}