TY - JOUR AU - S. Yu. Artamonov TI - On some constructions of a non-periodic modulus of smoothness related to the Riesz derivative JO - Eurasian mathematical journal PY - 2018 SP - 11 EP - 21 VL - 9 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/EMJ_2018_9_2_a2/ LA - en ID - EMJ_2018_9_2_a2 ER -