APA (7th ed.) Citation

Protasov, I. (2018). Some more algebra on ultrafilters in metric spaces. Algebra and Discrete Mathematics.

Chicago Style (17th ed.) Citation

Protasov, I. "Some More Algebra on Ultrafilters in Metric Spaces." Algebra and Discrete Mathematics 2018.

MLA (8th ed.) Citation

Protasov, I. "Some More Algebra on Ultrafilters in Metric Spaces." Algebra and Discrete Mathematics, 2018.

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