%0 Journal Article %A Fatehi, Mahsa %A Robati, Bahram Khani %T Essential normality for certain finite linear combinations of linear-fractional composition operators on the Hardy space $H^{2}$ %J Czechoslovak Mathematical Journal %D 2012 %P 901-917 %V 62 %N 4 %I mathdoc %U https://geodesic-test.mathdoc.fr/articles/10.1007/s10587-012-0073-y/ %R 10.1007/s10587-012-0073-y %G en %F 10_1007_s10587_012_0073_y