TY - JOUR AU - N. V. Baidakova TI - A triangular finite element with new approximation properties JO - Trudy Instituta matematiki i mehaniki PY - 2015 SP - 67 EP - 77 VL - 21 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TIMM_2015_21_4_a6/ LA - ru ID - TIMM_2015_21_4_a6 ER -