@article{105738, author = {P\'al Erd\"os and David Preiss}, title = {Decomposition of spheres in Hilbert spaces}, journal = {Commentationes Mathematicae Universitatis Carolinae}, volume = {017}, year = {1976}, pages = {791-795}, zbl = {0346.05106}, mrnumber = {0480140}, language = {en}, url = {http://dml.mathdoc.fr/item/105738} }
Erdös, Pál; Preiss, David. Decomposition of spheres in Hilbert spaces. Commentationes Mathematicae Universitatis Carolinae, Tome 017 (1976) pp. 791-795. http://gdmltest.u-ga.fr/item/105738/
On chromatic number of graphs and set-systems, Acta Math. Acad. Sci. Hung. 17 (1966), 61-99. (1966) | MR 0193025