%0 Journal Article %T Index of Volume 44 %J Canadian mathematical bulletin %D 2001 %P 509-512 %V 44 %N 4 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-2001-051-4/ %R 10.4153/CMB-2001-051-4 %F 10_4153_CMB_2001_051_4