TY - JOUR AU - Hlaváček, Ivan TI - Dual finite element analysis for unilateral boundary value problems JO - Applications of Mathematics PY - 1977 SP - 14 EP - 51 VL - 22 IS - 1 PB - mathdoc UR - https://geodesic-test.mathdoc.fr/articles/10.21136/AM.1977.103675/ DO - 10.21136/AM.1977.103675 LA - en ID - 10_21136_AM_1977_103675 ER -