@article{JSFU_2022_15_2_a2,
     author = {Muzaffar M. Rahmatullaev and Bunyod U. Abraev},
     title = {On ground states for the {SOS} model with competing interactions},
     journal = {\v{Z}urnal Sibirskogo federalʹnogo universiteta. Matematika i fizika},
     pages = {162--175},
     publisher = {mathdoc},
     volume = {15},
     number = {2},
     year = {2022},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JSFU_2022_15_2_a2/}
}