TY  - JOUR
AU  - Sainvitu, Caroline
TI  - How much do approximate derivatives hurt filter methods ?
JO  - RAIRO - Operations Research - Recherche Opérationnelle
PY  - 2009
SP  - 309
EP  - 329
VL  - 43
IS  - 3
PB  - EDP-Sciences
UR  - http://www.numdam.org/articles/10.1051/ro/2009016/
DO  - 10.1051/ro/2009016
LA  - en
ID  - RO_2009__43_3_309_0
ER  -