TY - JOUR AU - N. V. Baidakova TI - Influence of smoothness on the error of approximation of derivatives under local interpolation on triangulations JO - Trudy Instituta matematiki i mehaniki PY - 2011 SP - 83 EP - 97 VL - 17 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TIMM_2011_17_3_a10/ LA - ru ID - TIMM_2011_17_3_a10 ER -