@article{M2AN_2018__52_6_2479_0,
     author = {Braess, Dietrich and Hoppe, R.H.W. and Linsenmann, Christopher},
     title = {A two-energies principle for the biharmonic equation and an a posteriori error estimator for an interior penalty discontinuous {Galerkin} approximation},
     journal = {ESAIM: Mathematical Modelling and Numerical Analysis },
     pages = {2479--2504},
     publisher = {EDP-Sciences},
     volume = {52},
     number = {6},
     year = {2018},
     doi = {10.1051/m2an/2016074},
     zbl = {1419.31004},
     mrnumber = {3911627},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/m2an/2016074/}
}