Voir la notice de l'article provenant de la source Mathematicac Balkanica website
@article{MABA_1999_13_3-4_a11, author = {P. E. Parvanov}, title = {An {Estimation} of the {Best} {Monotone} {Spline} {Approximation} with the {Averaged} {Moduli} of {Smoothness}}, journal = {Mathematica balkanica}, pages = {419}, publisher = {mathdoc}, volume = {13}, number = {3-4}, year = {1999}, url = {http://geodesic.mathdoc.fr/item/MABA_1999_13_3-4_a11/} }
P. E. Parvanov. An Estimation of the Best Monotone Spline Approximation with the Averaged Moduli of Smoothness. Mathematica balkanica, Tome 13 (1999) no. 3-4, p. 419. http://geodesic.mathdoc.fr/item/MABA_1999_13_3-4_a11/