%0 Journal Article %A J. JakubĂ­k %T Principal projection bands of a Riesz space %J Colloquium Mathematicum %D 1976 %P 195-203 %V 36 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-36-2-195-203/ %R 10.4064/cm-36-2-195-203 %G en %F 10_4064_cm_36_2_195_203