@article{10_4153_CMB_1991_049_7,
     author = {Bonet, Jos\'e},
     title = {A {Question} of {Valdivia} on {Quasinormable} {Fr\'echet} {Spaces}},
     journal = {Canadian mathematical bulletin},
     pages = {301--304},
     year = {1991},
     volume = {34},
     number = {3},
     doi = {10.4153/CMB-1991-049-7},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1991-049-7/}
}