TY - JOUR AU - S. G. Samko TI - On the denseness of Lizorkin-type spaces $\Phi_V$ in the spaces JO - Doklady Akademii Nauk PY - 1991 SP - 567 EP - 569 VL - 319 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1991_319_3_a12/ LA - ru ID - DAN_1991_319_3_a12 ER -