@article{urn:eudml:doc:40484, title = {The dual and bidual of an echelon K\"othe space.}, journal = {Collectanea Mathematica}, volume = {31}, year = {1980}, pages = {159-191}, zbl = {0491.46025}, mrnumber = {MR0611558}, language = {en}, url = {http://dml.mathdoc.fr/item/urn:eudml:doc:40484} }
López Molina, J. A. The dual and bidual of an echelon Köthe space.. Collectanea Mathematica, Tome 31 (1980) pp. 159-191. http://gdmltest.u-ga.fr/item/urn:eudml:doc:40484/