TY  - JOUR
AU  - V. Sh. Tsagareishvili
TI  - General orthonormal systems and absolute convergence
JO  - Izvestiya. Mathematics 
PY  - 2020
SP  - 816
EP  - 828
VL  - 84
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM2_2020_84_4_a9/
LA  - en
ID  - IM2_2020_84_4_a9
ER  -