TY  - JOUR
AU  - Bercovier, M.
TI  - Perturbation of mixed variational problems. Application to mixed finite element methods
JO  - ESAIM: Mathematical Modelling and Numerical Analysis 
PY  - 1978
SP  - 211
EP  - 236
VL  - 12
IS  - 3
PB  - Centrale des revues, Dunod-Gauthier-Villars
PP  - Montreuil
UR  - http://geodesic.mathdoc.fr/item/M2AN_1978__12_3_211_0/
LA  - en
ID  - M2AN_1978__12_3_211_0
ER  -