TY - JOUR AU - M. M. Rahmatullaev AU - M. A. Rasulova TI - Description of weakly periodic ground states for the Potts model with external field and a countable set of spin values on a Cayley tree JO - Vladikavkazskij matematičeskij žurnal PY - 2023 SP - 103 EP - 119 VL - 25 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMJ_2023_25_4_a9/ LA - ru ID - VMJ_2023_25_4_a9 ER -