TY - JOUR AU - S. M. Lozinskii TI - Estimates of the spherical matrix norm and of the corresponding logarithmic norm JO - Doklady Akademii Nauk PY - 1965 SP - 763 EP - 766 VL - 165 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1965_165_4_a8/ LA - ru ID - DAN_1965_165_4_a8 ER -