Best simultaneous $L_p$ approximations
Czechoslovak Mathematical Journal, Tome 48 (1998) no. 3, pp. 457-463.

Voir la notice de l'article dans Czech Digital Mathematics Library

In this paper we study simultaneous approximation of $n$ real-valued functions in $L_{p}[ {a,b}]$ and give a generalization of some related results.
Classification : 26A21, 28A05, 41A28, 41A50, 41A65, 54E35, 54H05
Mots-clés : quasi-metric; continuous map; Borel map; $\sigma $-discrete map; $\sigma $-discretely decomposable family; absolutely Borel set; absolutely analytic space 
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     author = {Karaku\c{s}, Yusuf},
     title = {Best simultaneous $L_p$ approximations},
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     pages = {457--463},
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Karakuş, Yusuf. Best simultaneous $L_p$ approximations. Czechoslovak Mathematical Journal, Tome 48 (1998) no. 3, pp. 457-463. https://geodesic-test.mathdoc.fr/item/CMJ_1998__48_3_a6/