Herashchenko, N., K. Nemchenko, T. Vikhtinskaya, and S. Rogova. “Sound Resonances in Supercritical and Superfluid Helium”. Journal of V.N. Karazin Kharkiv National University, Series "Physics", no. 34, July 2021, pp. 33-35, doi:10.26565/2222-5617-2021-34-05.