Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1997_61_6_a13, author = {P. G. Grigor'ev}, title = {On a sequence of trigonometric polynomials}, journal = {Matemati\v{c}eskie zametki}, pages = {935--938}, publisher = {mathdoc}, volume = {61}, number = {6}, year = {1997}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1997_61_6_a13/} }
P. G. Grigor'ev. On a sequence of trigonometric polynomials. Matematičeskie zametki, Tome 61 (1997) no. 6, pp. 935-938. http://geodesic.mathdoc.fr/item/MZM_1997_61_6_a13/