@article{CMUC_1988_29_2_a10,
     author = {Pt\'ak, Vlastimil},
     title = {Linear fractional transformations and companion matrices},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {279--284},
     year = {1988},
     volume = {29},
     number = {2},
     mrnumber = {957396},
     zbl = {0651.15003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1988_29_2_a10/}
}