TY  - JOUR
AU  - Vitoriano Ruas
AU  - Fattehallah Ghadi
AU  - Mohamed Wakrim
TI  - External approximation of $ H^{3}\mathrm{(\Omega )}$ in a bounded domain of $ \mathbb{R}^{3}$ with piecewise cubics of weak C2-class
JO  - Comptes Rendus. Mathématique
PY  - 2004
SP  - 969
EP  - 974
VL  - 338
IS  - 12
PB  - Elsevier
DO  - 10.1016/j.crma.2004.03.038
LA  - en
ID  - CRMATH_2004__338_12_969_0
ER  -