@article{VMJ_2023_25_4_a9, author = {M. M. Rahmatullaev and M. A. Rasulova}, title = {Description of weakly periodic ground states for the {Potts} model with external field and a countable set of spin values on a {Cayley} tree}, journal = {Vladikavkazskij matemati\v{c}eskij \v{z}urnal}, pages = {103--119}, publisher = {mathdoc}, volume = {25}, number = {4}, year = {2023}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/VMJ_2023_25_4_a9/} }