@article{MZM_2006_79_3_a9,
     author = {\'E. P. Normatov and U. A. Rozikov},
     title = {A~description of harmonic functions via properties of the group representation of the {Cayley} tree},
     journal = {Matemati\v{c}eskie zametki},
     pages = {434--443},
     publisher = {mathdoc},
     volume = {79},
     number = {3},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2006_79_3_a9/}
}