In this paper we show that a Rosenthal operator factors through a Banach space containing no isomorphs of l1.
@article{urn:eudml:doc:41025, title = {Factoring Rosenthal operators.}, journal = {Publicacions Matem\`atiques}, volume = {32}, year = {1988}, pages = {87-89}, zbl = {0647.47033}, mrnumber = {MR0939772}, language = {en}, url = {http://dml.mathdoc.fr/item/urn:eudml:doc:41025} }
Alvarez, Teresa. Factoring Rosenthal operators.. Publicacions Matemàtiques, Tome 32 (1988) pp. 87-89. http://gdmltest.u-ga.fr/item/urn:eudml:doc:41025/