@article{GDZPPN002298856, title = {Perfect Fr\'echet Spaces.}, journal = {Mathematische Annalen}, volume = {174}, year = {1967}, pages = {186-194}, zbl = {0166.10403}, url = {http://dml.mathdoc.fr/item/GDZPPN002298856} }
DUBINSKY, E. Perfect Fréchet Spaces.. Mathematische Annalen, Tome 174 (1967) pp. 186-194. http://gdmltest.u-ga.fr/item/GDZPPN002298856/