%0 Journal Article %A Ženíšek, Alexander %T On a generalization of Nikolskij's extension theorem in the case of two variables %J Applications of Mathematics %D 2003 %P 367-404 %V 48 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1023/B:APOM.0000024482.61562.2b/ %R 10.1023/B:APOM.0000024482.61562.2b %G en %F 10_1023_B_APOM_0000024482_61562_2b