TY  - JOUR
AU  - A. M. Sedletskii
TI  - On a~class of biorthogonal expansions in exponential functions
JO  - Izvestiya. Mathematics 
PY  - 1977
SP  - 375
EP  - 395
VL  - 11
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM2_1977_11_2_a9/
LA  - en
ID  - IM2_1977_11_2_a9
ER  -