@article{M2AN_2003__37_1_91_0, author = {Toselli, Andrea}, title = {${HP}$-finite element approximations on non-matching grids for partial differential equations with non-negative characteristic form}, journal = {ESAIM: Mod\'elisation math\'ematique et analyse num\'erique}, pages = {91--115}, year = {2003}, publisher = {EDP Sciences}, volume = {37}, number = {1}, doi = {10.1051/m2an:2003018}, mrnumber = {1972652}, zbl = {1028.65124}, language = {en}, url = {https://www.numdam.org/articles/10.1051/m2an:2003018/} }