APA (7th ed.) Citation

Vassilev, V. M., & Nikolov, S. G. First and Second Integrals of Hopf–Langford-Type Systems. MDPI AG.

Chicago Style (17th ed.) Citation

Vassilev, Vassil M., and Svetoslav G. Nikolov. First and Second Integrals of Hopf–Langford-Type Systems. MDPI AG.

MLA (9th ed.) Citation

Vassilev, Vassil M., and Svetoslav G. Nikolov. First and Second Integrals of Hopf–Langford-Type Systems. MDPI AG.

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