TY - JOUR AU - A. V. Dyadechko TI - Some estimates for root functions of a matrix differential operator with a diagonal-matrix eigenvalue JO - Differencialʹnye uravneniâ PY - 1996 SP - 22 EP - 31 VL - 32 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1996_32_1_a3/ LA - ru ID - DE_1996_32_1_a3 ER -