@article{PORMA_1979__38_1-2_115375,
     author = {Wilansky, A.},
     title = {An extension of {Helly's} theorem for {Banach} spaces},
     journal = {Portugaliae mathematica},
     pages = {139--140},
     publisher = {mathdoc},
     volume = {38},
     number = {1-2},
     year = {1979},
     mrnumber = {0682362},
     zbl = {0471.46006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1979__38_1-2_115375/}
}