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S. B. Feodosyev, V. A. Sirenko, E. S. Syrkin, E. V. Manzhelii, I. S. Bondar, and K. A. Minakova, Localized and quasi-localized energy levels in the electron spectrum of graphene with isolated boron and nitrogen substitutions, Low Temp. Phys. 49, 30–37, (2023) [Fiz. Nyzk. Temp. 49, 34-41, (2023)] DOI: https://doi.org/10.1063/10.0016473.