@article{MZ_1971__119_171486,
     author = {John J. Sember},
     title = {Variational {FK} {Spaces} and {Two-Norm} {Convergence.}},
     journal = {Mathematische Zeitschrift},
     pages = {153--159},
     publisher = {mathdoc},
     volume = {119},
     year = {1971},
     zbl = {0207.11906},
     url = {http://geodesic.mathdoc.fr/item/MZ_1971__119_171486/}
}