TY - JOUR AU - Droniou, Jérôme AU - Eymard, Robert AU - Gallouët, Thierry AU - Herbin, Raphaèle TI - A unified analysis of elliptic problems with various boundary conditions and their approximation JO - Czechoslovak Mathematical Journal PY - 2020 SP - 339 EP - 368 VL - 70 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.2019.0312-18/ DO - 10.21136/CMJ.2019.0312-18 LA - en ID - 10_21136_CMJ_2019_0312_18 ER -