@article{M2AN_1997__31_3_327_0,
     author = {Depeyre, Sophie and Issautier, Didier},
     title = {A new constrained formulation of the {Maxwell} system},
     journal = {ESAIM: Mathematical Modelling and Numerical Analysis },
     pages = {327--357},
     publisher = {Elsevier},
     volume = {31},
     number = {3},
     year = {1997},
     mrnumber = {1451346},
     zbl = {0874.65097},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/M2AN_1997__31_3_327_0/}
}