TY - JOUR AU - V. V. Volchkov AU - Vit. V. Volchkov TI - Continuous extension of functions from a segment to functions in $\mathbb{R}^n$ with zero ball means JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 2021 SP - 3 EP - 14 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_2021_3_a0/ LA - ru ID - IVM_2021_3_a0 ER -