TY - JOUR AU - Hlaváček, Ivan AU - Křížek, Michal TI - Internal finite element approximations in the dual variational method for second order elliptic problems with curved boundaries JO - Applications of Mathematics PY - 1984 SP - 52 EP - 69 VL - 29 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/AM.1984.104068/ DO - 10.21136/AM.1984.104068 LA - en ID - 10_21136_AM_1984_104068 ER -