TY - JOUR T1 - Extremal faces of the range of a vector measure and a theorem of Lyapunov JF - J. Math. Anal. Appl. 231 (1999) 301-318 Y1 - 1999 A1 - Stefano Bianchini PB - Elsevier UR - http://hdl.handle.net/1963/3370 U1 - 960 U2 - Mathematics U3 - Functional Analysis and Applications ER -