%0 Journal Article %A Kašpar, Petr %T Averaging problem in general relativity and cosmology %J Acta Universitatis Carolinae. Mathematica et Physica %D 2012 %P 43-50 %V 53 %N 1 %U http://geodesic.mathdoc.fr/item/AUCMP_2012_53_1_a3/ %G en %F AUCMP_2012_53_1_a3