@article{ZNSL_2007_343_a6,
     author = {W. Holubowski},
     title = {Automorphisms of a rooted tree of countable valency},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {199--205},
     publisher = {mathdoc},
     volume = {343},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2007_343_a6/}
}