@article{CMUC_1972_13_4_a10,
     author = {Studni\v{c}ka, Ivan},
     title = {Non-existence of {Cartesian} groups of order $2p^m$},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {721--725},
     year = {1972},
     volume = {13},
     number = {4},
     mrnumber = {0319043},
     zbl = {0249.50015},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1972_13_4_a10/}
}