APA (7th ed.) Citation

Gu, Z. On the Multiplicity of a Proportionally Modular Numerical Semigroup. Wiley.

Chicago Style (17th ed.) Citation

Gu, Ze. On the Multiplicity of a Proportionally Modular Numerical Semigroup. Wiley.

MLA (9th ed.) Citation

Gu, Ze. On the Multiplicity of a Proportionally Modular Numerical Semigroup. Wiley.

Warning: These citations may not always be 100% accurate.