@article{DAN_1963_151_5_a2,
     author = {Ya. G. Berkovich},
     title = {A characterization of certain classes of finite groups},
     journal = {Doklady Akademii Nauk},
     pages = {1007--1009},
     publisher = {mathdoc},
     volume = {151},
     number = {5},
     year = {1963},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1963_151_5_a2/}
}