@article{10_1007_s10492_009_0014_8,
     author = {Brandts, Jan H.},
     title = {Analysis of a non-standard mixed finite element method with applications to superconvergence},
     journal = {Applications of Mathematics},
     pages = {225--235},
     publisher = {mathdoc},
     volume = {54},
     number = {3},
     year = {2009},
     doi = {10.1007/s10492-009-0014-8},
     mrnumber = {2530540},
     zbl = {1212.65441},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.1007/s10492-009-0014-8/}
}