(1)
Mukhamedov, F. M.; Rahmatullaev, M. M.; Rasulova, M. A. Weakly Periodic Ground States for the λ-Model.
Ukr. Mat. Zhurn.
2020
,
72
(5), 667–678.
https://doi.org/10.37863/umzh.v72i5.1095
.