@article{NANO_2016_7_5_a10, author = {F. H. Haydarov}, title = {Characterization of the normal subgroups of finite index for the group representation of a {Cayley} tree}, journal = {Nanosistemy: fizika, himi\^a, matematika}, pages = {888--892}, publisher = {mathdoc}, volume = {7}, number = {5}, year = {2016}, language = {en}, url = {http://geodesic.mathdoc.fr/item/NANO_2016_7_5_a10/} }