%0 Journal Article %A Crabb, M. J. %A Duncan, J. %A McGregor, C. M. %T Some extremal algebras for hermitians %J Glasgow mathematical journal %D 2001 %P 29-38 %V 43 %N 1 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089501010047/ %R 10.1017/S0017089501010047 %F 10_1017_S0017089501010047