@article{CMUC_1994__35_4_a3,
     author = {Rangaswamy, K. M.},
     title = {A property of $B_2$-groups},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {627--631},
     publisher = {mathdoc},
     volume = {35},
     number = {4},
     year = {1994},
     mrnumber = {1321233},
     zbl = {0823.20058},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1994__35_4_a3/}
}