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@article{MZ_1990__204_3_183757, author = {Claudia Cottin}, title = {Mixed {K-Functionals:} {A} {Measure} of {Smoothness} for {Blending-type} {Approximation.}}, journal = {Mathematische Zeitschrift}, pages = {69--84}, publisher = {mathdoc}, volume = {204}, number = {3}, year = {1990}, zbl = {0676.41022}, url = {http://geodesic.mathdoc.fr/item/MZ_1990__204_3_183757/} }
Claudia Cottin. Mixed K-Functionals: A Measure of Smoothness for Blending-type Approximation.. Mathematische Zeitschrift, Tome 204 (1990) no. 3, pp. 69-84. http://geodesic.mathdoc.fr/item/MZ_1990__204_3_183757/