TY - JOUR AU - Ball, Richard N. AU - Hager, Anthony W. TI - Frame monomorphisms and a feature of the $l$-group of Baire functions on a topological space JO - Commentationes Mathematicae Universitatis Carolinae PY - 2013 SP - 141 EP - 157 VL - 54 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMUC_2013__54_2_a2/ LA - en ID - CMUC_2013__54_2_a2 ER -