G. Ya. Khadzhai, A. L. Solovjov, and R. V. Vovk, The anisotropy of conductive characteristics of Y_{1– у} Pr _у Ba₂Cu₃O_7–δ single crystals, Low Temp. Phys. 48, 768–774, (2022) [Fiz. Nyzk. Temp. 48, 870–877, (2022)] DOI: https://doi.org/10.1063/10.0014017.