Gan, Xiao-Xiong. "9 Formal series and general exponents". Formal Analysis: An Introduction, Berlin, Boston: De Gruyter, 2021, pp. 285-314. https://doi.org/10.1515/9783110599459-009
Gan, X. (2021). 9 Formal series and general exponents. In Formal Analysis: An Introduction (pp. 285-314). Berlin, Boston: De Gruyter. https://doi.org/10.1515/9783110599459-009
Gan, X. 2021. 9 Formal series and general exponents. Formal Analysis: An Introduction. Berlin, Boston: De Gruyter, pp. 285-314. https://doi.org/10.1515/9783110599459-009
Gan, Xiao-Xiong. "9 Formal series and general exponents" In Formal Analysis: An Introduction, 285-314. Berlin, Boston: De Gruyter, 2021. https://doi.org/10.1515/9783110599459-009
Gan X. 9 Formal series and general exponents. In: Formal Analysis: An Introduction. Berlin, Boston: De Gruyter; 2021. p.285-314. https://doi.org/10.1515/9783110599459-009