%0 Journal Article %A Kessler, Peter %T On a theorem of Iseki %J Glasgow mathematical journal %D 1970 %P 110-113 %V 11 %N 2 %U http://geodesic.mathdoc.fr/articles/10.1017/S001708950000094X/ %R 10.1017/S001708950000094X %F 10_1017_S001708950000094X