Christophe Reutenauer. An Ogden-Like Iteration Lemma for Rational Power Series. Acta Informatica, 13:189-197, 1980.
@article{Reutenauer80, title = {An Ogden-Like Iteration Lemma for Rational Power Series}, author = {Christophe Reutenauer}, year = {1980}, researchr = {https://researchr.org/publication/Reutenauer80}, cites = {0}, citedby = {0}, journal = {Acta Informatica}, volume = {13}, pages = {189-197}, }