@article{TM_2010_271_a20,
     author = {Ya. Vorobets},
     title = {On a~substitution subshift related to the {Grigorchuk} group},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {319--334},
     publisher = {mathdoc},
     volume = {271},
     year = {2010},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TM_2010_271_a20/}
}