%0 Journal Article
%A Ferrer, Jesús
%T A polynomial of degree four not satisfying Rolle’s Theorem in the unit ball of $l_2$
%J Czechoslovak Mathematical Journal
%D 2005
%P 499-501
%V 55
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMJ_2005__55_2_a19/
%G en
%F CMJ_2005__55_2_a19