%0 Journal Article %A Tweddle, I. %T The extremal points of the range of a vector-valued measure %J Glasgow mathematical journal %D 1972 %P 61-63 %V 13 %N 1 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089500001385/ %R 10.1017/S0017089500001385 %F 10_1017_S0017089500001385