APA (7th ed.) Citation

Qi, L., Cui, C., & Xu, Y. (2026). Sum of Squares Decompositions and Rank Bounds for Biquadratic Forms. Mathematics (2227-7390), 14(4), 635. https://doi.org/10.3390/math14040635

Chicago Style (17th ed.) Citation

Qi, Liqun, Chunfeng Cui, and Yi Xu. "Sum of Squares Decompositions and Rank Bounds for Biquadratic Forms." Mathematics (2227-7390) 14, no. 4 (2026): 635. https://doi.org/10.3390/math14040635.

MLA (9th ed.) Citation

Qi, Liqun, et al. "Sum of Squares Decompositions and Rank Bounds for Biquadratic Forms." Mathematics (2227-7390), vol. 14, no. 4, 2026, p. 635, https://doi.org/10.3390/math14040635.