Geodesic
Absolute summability of orthogonal series by Hausdorff methods
Matematičeskie zametki, Tome 10 (1971) no. 5, pp. 485-492 
V. A. Bolgov. Absolute summability of orthogonal series by Hausdorff methods. Matematičeskie zametki, Tome 10 (1971) no. 5, pp. 485-492. http://geodesic.mathdoc.fr/item/MZM_1971_10_5_a0/
@article{MZM_1971_10_5_a0,
     author = {V. A. Bolgov},
     title = {Absolute summability of orthogonal series by {Hausdorff} methods},
     journal = {Matemati\v{c}eskie zametki},
     pages = {485--492},
     year = {1971},
     volume = {10},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1971_10_5_a0/}
}
TY  - JOUR
AU  - V. A. Bolgov
TI  - Absolute summability of orthogonal series by Hausdorff methods
JO  - Matematičeskie zametki
PY  - 1971
SP  - 485
EP  - 492
VL  - 10
IS  - 5
UR  - http://geodesic.mathdoc.fr/item/MZM_1971_10_5_a0/
LA  - ru
ID  - MZM_1971_10_5_a0
ER  - 
%0 Journal Article
%A V. A. Bolgov
%T Absolute summability of orthogonal series by Hausdorff methods
%J Matematičeskie zametki
%D 1971
%P 485-492
%V 10
%N 5
%U http://geodesic.mathdoc.fr/item/MZM_1971_10_5_a0/
%G ru
%F MZM_1971_10_5_a0

Voir la notice de l'article provenant de la source Math-Net.Ru

Sufficient conditions are obtained for the absolute summability of orthogonal series by the Hausdorff methods.