(1)
V. E. Syvokon, E. S. Sokolova, and S. S. Sokolov, The structure and collective oscillations of linear systems of particles with van der Waals interaction , Low Temp. Phys. 47, (2021) [Fiz. Nizk. Temp. 47, 1173-1185, (2021)] DOI: https://doi.org/10.1063/10.0007083.