TY  - JOUR
AU  - V. A. Il'in
AU  - V. V. Tikhomirov
TI  - The basis property of Riesz means of spectral decompositions corresponding to an $n$th-order ordinary nonselfadjoint differential operator
JO  - Differencialʹnye uravneniâ
PY  - 1982
SP  - 2098
EP  - 2126
VL  - 18
IS  - 12
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1982_18_12_a3/
LA  - ru
ID  - DE_1982_18_12_a3
ER  -