Geodesic
Best linear methods for approximation of classes of periodic functions of several variables
Matematičeskie zametki, Tome 41 (1987) no. 5, pp. 646-653.

Voir la notice de l'article provenant de la source Math-Net.Ru

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     author = {{\DJ}inh Dung},
     title = {Best linear methods for approximation of classes of periodic functions of several variables},
     journal = {Matemati\v{c}eskie zametki},
     pages = {646--653},
     publisher = {mathdoc},
     volume = {41},
     number = {5},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1987_41_5_a2/}
}
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Đinh Dung. Best linear methods for approximation of classes of periodic functions of several variables. Matematičeskie zametki, Tome 41 (1987) no. 5, pp. 646-653. http://geodesic.mathdoc.fr/item/MZM_1987_41_5_a2/