Geodesic
On the approximation of functions by a hyperbolic angle in the $L_2$ metric
Matematičeskie zametki, Tome 65 (1999) no. 3, pp. 471-474 
T. Yu. Kulikova. On the approximation of functions by a hyperbolic angle in the $L_2$ metric. Matematičeskie zametki, Tome 65 (1999) no. 3, pp. 471-474. http://geodesic.mathdoc.fr/item/MZM_1999_65_3_a16/
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     author = {T. Yu. Kulikova},
     title = {On the approximation of functions by a~hyperbolic angle in the $L_2$ metric},
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     year = {1999},
     volume = {65},
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     url = {http://geodesic.mathdoc.fr/item/MZM_1999_65_3_a16/}
}
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Voir la notice de l'article provenant de la source Math-Net.Ru

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