TY - JOUR AU - V. D. Budaev TI - The convergence of spectral expansions at the point of discontinuity of the coefficients of a linear nonselfadjoint differential operator of order $2m$ JO - Doklady Akademii Nauk PY - 1987 SP - 780 EP - 784 VL - 296 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1987_296_4_a1/ LA - ru ID - DAN_1987_296_4_a1 ER -