Geodesic
The Question of the Exact Value of One-Sided Width Remains Open
Matematičeskie zametki, Tome 100 (2016) no. 2, pp. 318-320.

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

Keywords: widths of periodic classes, the class $W_\infty^r$, one-sided width, counterexample. 
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M. A. Chahkiev. The Question of the Exact Value of One-Sided Width Remains Open. Matematičeskie zametki, Tome 100 (2016) no. 2, pp. 318-320. http://geodesic.mathdoc.fr/item/MZM_2016_100_2_a14/

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