TY - JOUR AU - N. I. Imranov TI - On equivalent norms in weighted spaces JO - Informatics and Automation PY - 1987 SP - 124 EP - 125 VL - 180 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TRSPY_1987_180_a69/ LA - ru ID - TRSPY_1987_180_a69 ER -