Voir la notice de l'article provenant de la source Math-Net.Ru
@article{TRSPY_1986_173_a10, author = {S. G. Kal'nei}, title = {Convergence in the mean of {Fourier--Jacobi} series with quasimonotone coefficients}, journal = {Informatics and Automation}, pages = {136--139}, publisher = {mathdoc}, volume = {173}, year = {1986}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TRSPY_1986_173_a10/} }
S. G. Kal'nei. Convergence in the mean of Fourier--Jacobi series with quasimonotone coefficients. Informatics and Automation, Investigations in the theory of differentiable functions of many variables and its applications. Part 11, Tome 173 (1986), pp. 136-139. http://geodesic.mathdoc.fr/item/TRSPY_1986_173_a10/