%0 Journal Article %A Bentuo Zheng %T On operators which factor through $l_p$ or $c_0$ %J Studia Mathematica %D 2006 %P 177-190 %V 176 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm176-2-5/ %R 10.4064/sm176-2-5 %G en %F 10_4064_sm176_2_5