@article{NUMA_1980__36_132686,
     author = {F. Brezzi and J. Rappaz and P.A. Raviart},
     title = {Finite {Dimensional} {Approximation} of {Nonlinear} {Problems.} {Part} {I.} {Branches} of {Nonsingular} {Solutions.}},
     journal = {Numerische Mathematik},
     pages = {1--26},
     publisher = {mathdoc},
     volume = {36},
     year = {1980},
     zbl = {0488.65021},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1980__36_132686/}
}