Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{CMUC_1978__19_3_a2, author = {Pt\'ak, Vlastimil}, title = {An infinite companion matrix}, journal = {Commentationes Mathematicae Universitatis Carolinae}, pages = {447--458}, publisher = {mathdoc}, volume = {19}, number = {3}, year = {1978}, mrnumber = {508953}, zbl = {0404.15009}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CMUC_1978__19_3_a2/} }
Pták, Vlastimil. An infinite companion matrix. Commentationes Mathematicae Universitatis Carolinae, Tome 19 (1978) no. 3, pp. 447-458. http://geodesic.mathdoc.fr/item/CMUC_1978__19_3_a2/