@article{CRMATH_2004__338_8_641_0,
     author = {Erik Burman and Alexandre Ern},
     title = {Discrete maximum principle for {Galerkin} approximations of the {Laplace} operator on arbitrary meshes},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {641--646},
     publisher = {Elsevier},
     volume = {338},
     number = {8},
     year = {2004},
     doi = {10.1016/j.crma.2004.02.010},
     language = {en},
}