TY - JOUR AU - M. O. Akobirshoev TI - Mean-square approximation by ``angle'' in the space $L_{2,\mu}(\mathbb{R}^{2})$ with the Chebyshev--Hermite weight JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 2021 SP - 3 EP - 12 IS - 9 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_2021_9_a0/ LA - ru ID - IVM_2021_9_a0 ER -