@article{05836179, title = {Universal expansions in negative and complex bases.}, journal = {Integers}, volume = {10}, year = {2010}, pages = {669-679}, doi = {10.1515/INTEG.2010.050}, zbl = {1216.11009}, language = {en}, url = {http://dml.mathdoc.fr/item/05836179} }
Komornik, Vilmos; Loreti, Paola. Universal expansions in negative and complex bases.. Integers, Tome 10 (2010) pp. 669-679. doi : 10.1515/INTEG.2010.050. http://gdmltest.u-ga.fr/item/05836179/