TY - JOUR AU - V. T. Shevaldin TI - Approximation by local parabolic splines with arbitrary knots JO - Sibirskij žurnal vyčislitelʹnoj matematiki PY - 2005 SP - 77 EP - 88 VL - 8 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SJVM_2005_8_1_a6/ LA - ru ID - SJVM_2005_8_1_a6 ER -