TY - JOUR AU - A. M. Savchuk TI - The Calderon--Zygmund operator and its relation to asymptotic estimates for ordinary differential operators JO - Contemporary Mathematics. Fundamental Directions PY - 2017 SP - 689 EP - 702 VL - 63 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMFD_2017_63_4_a8/ LA - ru ID - CMFD_2017_63_4_a8 ER -