TY - JOUR AU - V. A. Popov TI - A~one-sided $K$-functional and its interpolation spaces JO - Informatics and Automation PY - 1984 SP - 196 EP - 199 VL - 163 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TRSPY_1984_163_a30/ LA - ru ID - TRSPY_1984_163_a30 ER -