Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MZ_1985__189_173572, author = {W. Hau{\ss}mann and K. Jetter and B. Steinhaus}, title = {Degree of {Best} {Approximation} by {Trigonometric} {Blending} {Functions.}}, journal = {Mathematische Zeitschrift}, pages = {143--150}, publisher = {mathdoc}, volume = {189}, year = {1985}, zbl = {0547.41011}, url = {http://geodesic.mathdoc.fr/item/MZ_1985__189_173572/} }
W. Haußmann; K. Jetter; B. Steinhaus. Degree of Best Approximation by Trigonometric Blending Functions.. Mathematische Zeitschrift, Tome 189 (1985), pp. 143-150. http://geodesic.mathdoc.fr/item/MZ_1985__189_173572/