TY - JOUR AU - V. A. Solonnikov TI - Certain properties of fractional order $\mathfrak{W}_p^l$ spaces JO - Doklady Akademii Nauk PY - 1960 SP - 282 EP - 285 VL - 134 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1960_134_2_a9/ LA - ru ID - DAN_1960_134_2_a9 ER -