Редакція ФНТ, International Advanced Study Conference “Condensed Matter & Low Temperature Physics 2021”
(Kharkiv, Ukraine, June 6–12). Part II, Low Temp. Phys. 48, 1–2, (2021) [Fiz. Nyzk. Temp. 48, 3-4, (2021)] DOI: https://doi.org/10.1063/10.0008954.