TY - JOUR AU - V. N. Funtakov TI - On the expansion in eigenfunctions of a non-selfadjoint differential operator of arbitrary even order on the $[0,\infty)$ half-axis JO - Doklady Akademii Nauk PY - 1960 SP - 777 EP - 780 VL - 132 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1960_132_4_a11/ LA - ru ID - DAN_1960_132_4_a11 ER -