TY - JOUR AU - Hlaváček, Ivan AU - Křížek, Michal TI - Internal finite element approximation in the dual variational method for the biharmonic problem JO - Applications of Mathematics PY - 1985 SP - 255 EP - 273 VL - 30 IS - 4 PB - mathdoc UR - https://geodesic-test.mathdoc.fr/articles/10.21136/AM.1985.104149/ DO - 10.21136/AM.1985.104149 LA - en ID - 10_21136_AM_1985_104149 ER -