@article{ADM_2003_4_a4,
     author = {Yaroslav V. Lavrenyuk and Vitalii I. Sushchansky},
     title = {Automorphisms of homogeneous symmetric groups and hierarchomorphisms of rooted trees},
     journal = {Algebra and discrete mathematics},
     pages = {33--49},
     publisher = {mathdoc},
     number = {4},
     year = {2003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ADM_2003_4_a4/}
}