%0 Journal Article %A Lashkaripour, R. %A Foroutannia, D. %T Some inequalities involving upper bounds for some matrix operators. I %J Czechoslovak Mathematical Journal %D 2007 %P 553-572 %V 57 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMJ_2007__57_2_a2/ %G en %F CMJ_2007__57_2_a2