@article{IM2_1974_8_2_a1,
     author = {I. V. Andozhskii and V. M. Tsvetkov},
     title = {On a~series of finite closed $p$-groups},
     journal = {Izvestiya. Mathematics},
     pages = {285--297},
     year = {1974},
     volume = {8},
     number = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1974_8_2_a1/}
}