TY - JOUR AU - Pták, Vlastimil TI - Norms and the spectral radius of matrices JO - Czechoslovak Mathematical Journal PY - 1962 SP - 555 EP - 557 VL - 12 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1962.100539/ DO - 10.21136/CMJ.1962.100539 LA - en ID - 10_21136_CMJ_1962_100539 ER -