%0 Journal Article %A Ženíšek, Alexander %T Extensions from the Sobolev spaces $H^1$ satisfying prescribed Dirichlet boundary conditions %J Applications of Mathematics %D 2004 %P 405-413 %V 49 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1023/B:APOM.0000048120.75291.a5/ %R 10.1023/B:APOM.0000048120.75291.a5 %G en %F 10_1023_B_APOM_0000048120_75291_a5