%0 Journal Article %A Pfeffer, Washek F. %A Thomson, Brian S. %T Measures Defined by Gages %J Canadian journal of mathematics %D 1992 %P 1303-1316 %V 44 %N 6 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1992-078-2/ %R 10.4153/CJM-1992-078-2 %F 10_4153_CJM_1992_078_2