TY - JOUR AU - T. N. Kozubenko AU - B. D. Kotlyar TI - The singular numbers of operators increasing smoothness in the anisotropic case JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1980 SP - 171 EP - 172 VL - 35 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1980_35_4_a7/ LA - en ID - RM_1980_35_4_a7 ER -