%0 Journal Article
%T $\varkappa$-metrizable compacta and superextensions
%A Vesko Valov
%J Mathematics
%D 2009
%I arXiv
%X A characterization of $\varkappa$-metrizable compacta in terms of extension of functions and usco retractions into superextensions is established.
%U http://arxiv.org/abs/0906.4270v5