APA (7th ed.) Citation

Protasov, I., & Protasova, K. (2017). On recurrence in G-spaces. Algebra and Discrete Mathematics.

Chicago Style (17th ed.) Citation

Protasov, I.V, and K.D Protasova. "On Recurrence in G-spaces." Algebra and Discrete Mathematics 2017.

MLA (8th ed.) Citation

Protasov, I.V, and K.D Protasova. "On Recurrence in G-spaces." Algebra and Discrete Mathematics, 2017.

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