Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_2001_69_2_a2, author = {R. D. Getsadze}, title = {On {Lebesgue} {Functions} of {Uniformly} {Bounded} {Orthonormal} {Systems}}, journal = {Matemati\v{c}eskie zametki}, pages = {181--193}, publisher = {mathdoc}, volume = {69}, number = {2}, year = {2001}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_2001_69_2_a2/} }
R. D. Getsadze. On Lebesgue Functions of Uniformly Bounded Orthonormal Systems. Matematičeskie zametki, Tome 69 (2001) no. 2, pp. 181-193. http://geodesic.mathdoc.fr/item/MZM_2001_69_2_a2/