A. Aldiyarov, D. Yerezhep, and Y. Korshikov, To the 75th birthday of Prof. Andrei Stepanovich Drobyshev (1950–2018), Low Temp. Phys. 51, 1403–1404, (2025) [Fiz. Nyzk. Temp. 51, 1548–1549, (2025)] DOI: https://doi.org/10.1063/10.0039650.