TY  - JOUR
AU  - Gaspari, Thierry
TI  - The range of the derivative of a differentiable bump
JO  - Comptes Rendus. Mathématique
PY  - 2002
SP  - 189
EP  - 194
VL  - 334
IS  - 3
PB  - Elsevier
UR  - http://www.numdam.org/articles/10.1016/S1631-073X(02)02223-9/
DO  - 10.1016/S1631-073X(02)02223-9
LA  - en
ID  - CRMATH_2002__334_3_189_0
ER  -