@article{05014500, title = {Counting optimal joint digit expansions.}, journal = {Integers}, volume = {5}, year = {2005}, zbl = {1087.11004}, language = {en}, url = {http://dml.mathdoc.fr/item/05014500} }
Grabner, Peter J.; Heuberger, Clemens; Prodinger, Helmut. Counting optimal joint digit expansions.. Integers, Tome 5 (2005) . http://gdmltest.u-ga.fr/item/05014500/