%0 Journal Article %T Index of Volume 52 %J Canadian journal of mathematics %D 2000 %P 1339-1343 %V 52 %N 6 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-2000-055-6/ %R 10.4153/CJM-2000-055-6 %F 10_4153_CJM_2000_055_6