TY - JOUR AU - I. S. Lomov TI - On the influence of the degree of summability of coefficients of differential operators on the rate of convergence of spectral expansions.~II JO - Differencialʹnye uravneniâ PY - 1998 SP - 1066 EP - 1077 VL - 34 IS - 8 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1998_34_8_a7/ LA - ru ID - DE_1998_34_8_a7 ER -