@article{MZM_2010_87_4_a13,
     author = {G. I. Botirov},
     title = {Periodic {Ground} {States} of a {Hamiltonian} on a {Cayley} {Tree}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {624--627},
     publisher = {mathdoc},
     volume = {87},
     number = {4},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2010_87_4_a13/}
}