@article{CMUC_1979__20_2_a6,
     author = {Bican, Ladislav},
     title = {Pure subgroups split},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {283--292},
     publisher = {mathdoc},
     volume = {20},
     number = {2},
     year = {1979},
     mrnumber = {539557},
     zbl = {0409.20042},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1979__20_2_a6/}
}