(1)
E. N. Kovalenko, O. N. Yunakova, and N. N. Yunakov, Exciton absorption spectrum of K2CuCl3 thin films , Low Temp. Phys. 51, (2025) [Fiz. Nyzk. Temp. 51, 561–564, (2025)] DOI: https://doi.org/10.1063/10.0036246.