TY - JOUR AU - V. A. Popov TI - A one-sided $K$-functional and its interpolation spaces JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1984 SP - 196 EP - 199 VL - 163 UR - http://geodesic.mathdoc.fr/item/TM_1984_163_a30/ LA - ru ID - TM_1984_163_a30 ER -