@article{NUMA_1980__35_186291,
     author = {H.D. Mittelmann},
     title = {On the {Efficient} {Solution} of {Nonlinear} {Finite} {Element} {Equations} {I.}},
     journal = {Numerische Mathematik},
     pages = {277--292},
     publisher = {mathdoc},
     volume = {35},
     year = {1980},
     zbl = {0427.65074},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1980__35_186291/}
}