@article{JTNB_1998__10_2_315_0, author = {Pallavi Ketkar and Luca Q. Zamboni}, title = {Primitive substitutive numbers are closed under rational multiplication}, journal = {Journal de Th\'eorie des Nombres de Bordeaux}, pages = {315--320}, publisher = {Universit\'e Bordeaux I}, volume = {10}, number = {2}, year = {1998}, doi = {10.5802/jtnb.231}, zbl = {0930.11008}, mrnumber = {1828248}, language = {en}, url = {https://jtnb.centre-mersenne.org/articles/10.5802/jtnb.231/} }