@article{CMUC_2009__50_2_a0,
     author = {De Vivo, Clorinda and Metelli, Claudia},
     title = {On {Butler} $B(2)$-groups decomposing over two base elements},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {165--179},
     publisher = {mathdoc},
     volume = {50},
     number = {2},
     year = {2009},
     mrnumber = {2537829},
     zbl = {1204.20071},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_2009__50_2_a0/}
}