Voir la notice de l'article provenant de la source Math-Net.Ru
@article{TRSPY_1987_180_a30, author = {Ya. S. Bugrov}, title = {Linear methods of summing {Fourier} series and fractional difference operators}, journal = {Informatics and Automation}, pages = {63--65}, publisher = {mathdoc}, volume = {180}, year = {1987}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TRSPY_1987_180_a30/} }
Ya. S. Bugrov. Linear methods of summing Fourier series and fractional difference operators. Informatics and Automation, Theory of functions and related questions of analysis, Tome 180 (1987), pp. 63-65. http://geodesic.mathdoc.fr/item/TRSPY_1987_180_a30/