TY  - JOUR
AU  - Brezzi, F.
TI  - On the existence, uniqueness and approximation of saddle-point problems arising from lagrangian multipliers
JO  - ESAIM: Mathematical Modelling and Numerical Analysis 
PY  - 1974
SP  - 129
EP  - 151
VL  - 8
IS  - R2
PB  - Dunod
PP  - Paris
UR  - http://geodesic.mathdoc.fr/item/M2AN_1974__8_2_129_0/
LA  - en
ID  - M2AN_1974__8_2_129_0
ER  -