(1)
L. A. Pastur, V. V. Slavin, and A. A. Krivchikov, One-dimensional narrow-band conductors (Review Article), Low Temp. Phys. 47, 715–739, (2021) [Fiz. Nizk. Temp. 47, 779-803, (2021)] DOI: https://doi.org/10.1063/10.0005796.