APA (7th ed.) Citation

Targonskij, A. L., & Targonskaja, I. I. (2018). Extreme problem for partially nonoverlapping domains on a Riemann sphere.

Chicago Style (17th ed.) Citation

Targonskij, A. L., and I. I. Targonskaja. Extreme Problem for Partially Nonoverlapping Domains on a Riemann Sphere. 2018.

MLA (8th ed.) Citation

Targonskij, A. L., and I. I. Targonskaja. Extreme Problem for Partially Nonoverlapping Domains on a Riemann Sphere. 2018.