TY - JOUR AU - V. A. Il'in TI - On the equiconvergence of an expansion in a trigonometric Fourier series and the eigenfunctions of the Keldys pencil of ordinary nonselfadjoint differential operators JO - Doklady Akademii Nauk PY - 1975 SP - 497 EP - 499 VL - 225 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1975_225_3_a3/ LA - ru ID - DAN_1975_225_3_a3 ER -