@article{TMF_2018_194_2_a5,
     author = {F. M. Mukhamedov and Ch. Pah and H. Jamil},
     title = {Ground states and phase transition of the~$\lambda$ model on {the~Cayley} tree},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {304--319},
     year = {2018},
     volume = {194},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2018_194_2_a5/}
}