%0 Journal Article %A Ball, Richard N. %A Hager, Anthony W. %T Frame monomorphisms and a feature of the $l$-group of Baire functions on a topological space %J Commentationes Mathematicae Universitatis Carolinae %D 2013 %P 141-157 %V 54 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_2013__54_2_a2/ %G en %F CMUC_2013__54_2_a2