@article{TMF_2009_160_3_a5,
     author = {U. A. Rozikov and M. M. Rakhmatullaev},
     title = {Weakly periodic ground states and {Gibbs} measures for {the~Ising} model with competing interactions on {the~Cayley} tree},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {507--516},
     publisher = {mathdoc},
     volume = {160},
     number = {3},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2009_160_3_a5/}
}