@article{NUMA_1990__58_5_133487,
     author = {Alexander Zenisek},
     title = {The finite element method for nonlinear elliptic equations with discontinuous coefficients.},
     journal = {Numerische Mathematik},
     pages = {51--78},
     publisher = {mathdoc},
     volume = {58},
     number = {5},
     year = {1990},
     zbl = {0709.65081},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1990__58_5_133487/}
}