Arto Salomaa. Formal Language and Power Series. In Handbook of Theoretical Computer Science, Volume B: Formal Models and Sematics (B). pages 103-132, 1990.
@incollection{Salomaa90:1, title = {Formal Language and Power Series}, author = {Arto Salomaa}, year = {1990}, researchr = {https://researchr.org/publication/Salomaa90%3A1}, cites = {0}, citedby = {0}, pages = {103-132}, booktitle = {Handbook of Theoretical Computer Science, Volume B: Formal Models and Sematics (B)}, }