TY - JOUR AU - Vitória, José TI - Latent roots of lambda-matrices, Kronecker sums and matricial norms JO - Applications of Mathematics PY - 1980 SP - 395 EP - 399 VL - 25 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/AM.1980.103877/ DO - 10.21136/AM.1980.103877 LA - en ID - 10_21136_AM_1980_103877 ER -