Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MZ_1967__95_170650, author = {E.W. Cheney and A.A. Goldstein}, title = {Mean-Square {Approximation} by {Generalized} {Rational} {Functions.}}, journal = {Mathematische Zeitschrift}, pages = {232--241}, publisher = {mathdoc}, volume = {95}, year = {1967}, zbl = {0162.08501}, url = {http://geodesic.mathdoc.fr/item/MZ_1967__95_170650/} }
E.W. Cheney; A.A. Goldstein. Mean-Square Approximation by Generalized Rational Functions.. Mathematische Zeitschrift, Tome 95 (1967), pp. 232-241. http://geodesic.mathdoc.fr/item/MZ_1967__95_170650/