Vladimir Calvera, Steven A. Kivelson, and Erez Berg, Pseudo-spin order of Wigner crystals in multi-valley electron gases, Low Temp. Phys. 49, 679–700, (2023) [Fiz. Nyzk. Temp. 49, 747–769, (2023)] DOI: https://doi.org/10.1063/10.0019425.