%0 Journal Article %A Walter Hengartner %A Albert Pfluger %A Glenn Schober %T On support points in the class of functions with bounded boundary rotation %J Annales Fennici Mathematici %D 1981 %P 213-224 %V 6 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.5186/aasfm.1981.0606/ %R 10.5186/aasfm.1981.0606 %G en %F AFM_1981_6_2_a3