@article{10_37236_1119,
     author = {Laura Ciobanu and Sa\v{s}a Radomirovi\'c},
     title = {Restricted walks in regular trees},
     journal = {The electronic journal of combinatorics},
     year = {2006},
     volume = {13},
     doi = {10.37236/1119},
     zbl = {1112.05049},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/1119/}
}