TY - JOUR AU - V. A. Ivanov TI - A problem on inequalities for norms of differential operators on homogeneous spaces JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1980 SP - 255 EP - 256 VL - 35 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1980_35_5_a8/ LA - en ID - RM_1980_35_5_a8 ER -