%0 Journal Article %A M. J. Heath %T A note on a construction of J. F. Feinstein %J Studia Mathematica %D 2005 %P 63-70 %V 169 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4064/sm169-1-4/ %R 10.4064/sm169-1-4 %G en %F 10_4064_sm169_1_4