%0 Journal Article %A Azagra, Daniel %A Jiménez-Sevilla, Mar %T On the size of the sets of gradients of bump functions and starlike bodies on the Hilbert space %J Bulletin de la Société Mathématique de France %D 2002 %P 337-347 %V 130 %N 3 %I Société mathématique de France %U http://archive.numdam.org/articles/10.24033/bsmf.2422/ %R 10.24033/bsmf.2422 %G en %F BSMF_2002__130_3_337_0