TY  - JOUR
AU  - Ferrer, Jesús
TI  - A polynomial of degree four not satisfying Rolle’s Theorem in the unit ball of $l_2$
JO  - Czechoslovak Mathematical Journal
PY  - 2005
SP  - 499
EP  - 501
VL  - 55
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMJ_2005__55_2_a19/
LA  - en
ID  - CMJ_2005__55_2_a19
ER  -