%0 Journal Article %A Pultarová, Ivana %T The strengthened C.B.S. inequality constant for second order elliptic partial differential operator and for hierarchical bilinear finite element functions %J Applications of Mathematics %D 2005 %P 323-329 %V 50 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1007/s10492-005-0020-4/ %R 10.1007/s10492-005-0020-4 %G en %F 10_1007_s10492_005_0020_4