%0 Journal Article %A Labuschagne, C. C. A. %T Preduals and Nuclear Operators Associated with Bounded, $p$ -Convex, $p$ -Concave and Positive $p$ -Summing Operators %J Canadian journal of mathematics %D 2007 %P 614-637 %V 59 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-2007-026-2/ %R 10.4153/CJM-2007-026-2 %F 10_4153_CJM_2007_026_2