@article{TMF_2006_149_1_a1,
     author = {U. A. Rozikov and Sh. A. Shoyusupov},
     title = {Gibbs measures for {the~SOS} model with four states on {a~Cayley} tree},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {18--31},
     publisher = {mathdoc},
     volume = {149},
     number = {1},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2006_149_1_a1/}
}