@article{ADM_2004_4_a5,
     author = {Olga Shemetkova},
     title = {Finite groups with a~system of generalized central elements},
     journal = {Algebra and discrete mathematics},
     pages = {66--78},
     publisher = {mathdoc},
     number = {4},
     year = {2004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ADM_2004_4_a5/}
}