Geodesic
On the Bessel inequality for systems of root functions of
Doklady Akademii Nauk, Tome 318 (1991) no. 1, pp. 16-20 
V. D. Budaev. On the Bessel inequality for systems of root functions of. Doklady Akademii Nauk, Tome 318 (1991) no. 1, pp. 16-20. http://geodesic.mathdoc.fr/item/DAN_1991_318_1_a1/
@article{DAN_1991_318_1_a1,
     author = {V. D. Budaev},
     title = {On the {Bessel} inequality for systems of root functions of},
     journal = {Doklady Akademii Nauk},
     pages = {16--20},
     year = {1991},
     volume = {318},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1991_318_1_a1/}
}
TY  - JOUR
AU  - V. D. Budaev
TI  - On the Bessel inequality for systems of root functions of
JO  - Doklady Akademii Nauk
PY  - 1991
SP  - 16
EP  - 20
VL  - 318
IS  - 1
UR  - http://geodesic.mathdoc.fr/item/DAN_1991_318_1_a1/
LA  - ru
ID  - DAN_1991_318_1_a1
ER  - 
%0 Journal Article
%A V. D. Budaev
%T On the Bessel inequality for systems of root functions of
%J Doklady Akademii Nauk
%D 1991
%P 16-20
%V 318
%N 1
%U http://geodesic.mathdoc.fr/item/DAN_1991_318_1_a1/
%G ru
%F DAN_1991_318_1_a1

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