S. I. Menshikova and Rogacheva Е. I., Effect of deviation from stoichiometry on transport and mechanical properties of Bi₂Se₃ polycrystals , Low Temp. Phys. 47, 134–140, (2021) [Fiz. Nizk. Temp. 47, 151-158, (2021)] DOI: https://doi.org/10.1063/10.0003175.