TY - JOUR AU - M. V. Nevskii TI - On the Minimal Norm of the Projection Operator for Linear Interpolation on the $n$-Dimensional Ball JO - Matematičeskie zametki PY - 2023 SP - 477 EP - 480 VL - 114 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2023_114_3_a13/ LA - ru ID - MZM_2023_114_3_a13 ER -