@article{urn:eudml:doc:41814, title = {On the three-space-problem for topological vector spaces.}, journal = {Collectanea Mathematica}, volume = {32}, year = {1981}, pages = {13-35}, zbl = {0489.46002}, mrnumber = {MR0643398}, language = {en}, url = {http://dml.mathdoc.fr/item/urn:eudml:doc:41814} }
Roelcke, W.; Dierolf, S. On the three-space-problem for topological vector spaces.. Collectanea Mathematica, Tome 32 (1981) pp. 13-35. http://gdmltest.u-ga.fr/item/urn:eudml:doc:41814/