@article{CMUC_1990__31_2_a13,
     author = {Weisz, Juraj},
     title = {A posteriori error estimate of approximate solutions to a mildly nonlinear elliptic boundary value problem},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {315--322},
     publisher = {mathdoc},
     volume = {31},
     number = {2},
     year = {1990},
     mrnumber = {1077902},
     zbl = {0709.65074},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1990__31_2_a13/}
}