@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}, publisher = {mathdoc}, volume = {29}, number = {2}, year = {1988}, mrnumber = {957396}, zbl = {0651.15003}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CMUC_1988__29_2_a10/} }