@article{M2AN_2003__37_2_357_0,
     author = {Boillat, Eric},
     title = {Finite element methods on non-conforming grids by penalizing the matching constraint},
     journal = {ESAIM: Mod\'elisation math\'ematique et analyse num\'erique},
     pages = {357--372},
     publisher = {EDP-Sciences},
     volume = {37},
     number = {2},
     year = {2003},
     doi = {10.1051/m2an:2003031},
     mrnumber = {1991206},
     zbl = {1043.65124},
     language = {en},
     url = {http://archive.numdam.org/articles/10.1051/m2an:2003031/}
}