In this short note we give a negative answer to a question of Argyros, Castillo, Granero, Jiménez and Moreno concerning Banach spaces which contain complemented and uncomplemented subspaces isomorphic to c0.
@article{urn:eudml:doc:38737, title = {On Banach spaces containing complemented and uncomplemented subspaces isomorphic to c0.}, journal = {Extracta Mathematicae}, volume = {18}, year = {2003}, pages = {315-319}, zbl = {1053.46004}, mrnumber = {MR2056599}, language = {en}, url = {http://dml.mathdoc.fr/item/urn:eudml:doc:38737} }
Medina Galego, Elói; Plichko, Anatolij. On Banach spaces containing complemented and uncomplemented subspaces isomorphic to c0.. Extracta Mathematicae, Tome 18 (2003) pp. 315-319. http://gdmltest.u-ga.fr/item/urn:eudml:doc:38737/