%0 Journal Article %A Blair, Robert L. %T Extensions of Lebesgue sets and of real-valued functions %J Czechoslovak Mathematical Journal %D 1981 %P 63-74 %V 31 %N 1 %I mathdoc %U https://geodesic-test.mathdoc.fr/articles/10.21136/CMJ.1981.101723/ %R 10.21136/CMJ.1981.101723 %G en %F 10_21136_CMJ_1981_101723