@article{IM2_1975_9_5_a8,
     author = {G. V. Radzievskii},
     title = {On the basicity of derived chains},
     journal = {Izvestiya. Mathematics },
     pages = {1119--1154},
     publisher = {mathdoc},
     volume = {9},
     number = {5},
     year = {1975},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1975_9_5_a8/}
}