TY - JOUR AU - V.F. Cowling TI - Inclusion Relations Between Matrices. JO - Mathematische Zeitschrift PY - 1967 SP - 192 EP - 195 VL - 98 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZ_1967__98_170743/ ID - MZ_1967__98_170743 ER -