Geodesic
Extenders and $\varkappa$-Metrizable Compacta
Matematičeskie zametki, Tome 89 (2011) no. 3, pp. 331-341.

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A characterization of $\varkappa$-metrizable compacta in terms of extension of functions and upper semicontinuous compact-valued retractions to superextensions is established.
Mots-clés : Dugundji spaces
Keywords: $\varkappa$-metrizable spaces, spaces with closed` binary normal subbases, superextensions. 
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V. M. Valov. Extenders and $\varkappa$-Metrizable Compacta. Matematičeskie zametki, Tome 89 (2011) no. 3, pp. 331-341. http://geodesic.mathdoc.fr/item/MZM_2011_89_3_a1/

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