TY - JOUR AU - V. E. Volkov TI - Sufficient conditions for the property of being a basis in $L_p$ and for equiconvergence with a trigonometric series of spectral expansions JO - Differencialʹnye uravneniâ PY - 1987 SP - 952 EP - 960 VL - 23 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1987_23_6_a3/ LA - ru ID - DE_1987_23_6_a3 ER -