%0 Journal Article %T Index of Volume 55 %J Canadian journal of mathematics %D 2003 %P 1339-1342 %V 55 %N 6 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-2003-051-3/ %R 10.4153/CJM-2003-051-3 %F 10_4153_CJM_2003_051_3