Franck Beaucoup, Peter B. Borwein, David W. Boyd, Christopher Pinner. Power series with restricted coefficients and a root on a given ray. Math. Comput., 67(222):715-736, 1998.
@article{BeaucoupBBP98, title = {Power series with restricted coefficients and a root on a given ray}, author = {Franck Beaucoup and Peter B. Borwein and David W. Boyd and Christopher Pinner}, year = {1998}, researchr = {https://researchr.org/publication/BeaucoupBBP98}, cites = {0}, citedby = {0}, journal = {Math. Comput.}, volume = {67}, number = {222}, pages = {715-736}, }