TY - JOUR AU - L. N. Ikhsanov TI - Estimates of approximation by Kantorovich type operators in terms of the second modulus of continuity JO - Zapiski Nauchnykh Seminarov POMI PY - 2019 SP - 122 EP - 147 VL - 480 UR - http://geodesic.mathdoc.fr/item/ZNSL_2019_480_a8/ LA - ru ID - ZNSL_2019_480_a8 ER -