[1]
Vakarchuk, S.B. 2022. Widths of classes of functions in the weight space $L_{2,\gamma}(\mathbb{R}), \gamma=\exp(-x^2)$. Ukrains’kyi Matematychnyi Zhurnal. 74, 5 (Jun. 2022), 610 - 619. DOI:https://doi.org/10.37863/umzh.v74i5.7147.