@article{MZ_1974__136_172039,
     author = {Manuel Valdivia},
     title = {A {Class} of {Quasi-Barrelled} {(DF)-Spaces} which are not {Bornological.}},
     journal = {Mathematische Zeitschrift},
     pages = {249--252},
     publisher = {mathdoc},
     volume = {136},
     year = {1974},
     zbl = {0284.46003},
     url = {http://geodesic.mathdoc.fr/item/MZ_1974__136_172039/}
}