@article{MM_2023_35_6_a2,
     author = {V. D. Negodin and D. Yu. Fleita and G. E. Norman},
     title = {Collective motions of atoms in crystals},
     journal = {Matemati\v{c}eskoe modelirovanie},
     pages = {37--50},
     publisher = {mathdoc},
     volume = {35},
     number = {6},
     year = {2023},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MM_2023_35_6_a2/}
}