@article{CMUC_1976__17_4_a15,
     author = {Erd\"os, P\'al and Preiss, David},
     title = {Decomposition of spheres in {Hilbert} spaces},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {791--795},
     publisher = {mathdoc},
     volume = {17},
     number = {4},
     year = {1976},
     mrnumber = {0480140},
     zbl = {0346.05106},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1976__17_4_a15/}
}