%0 Journal Article %T Quadratic isoparametric systems in Rn+mp %J Glasgow mathematical journal %D 1993 %P 135-143 %V 35 %N 2 %U http://geodesic.mathdoc.fr/articles/10.1017/S001708950000968X/ %R 10.1017/S001708950000968X %F 10_1017_S001708950000968X