APA (7th ed.) Citation

Protasov, I., & Protasova, K. (2019). On free vector balleans. Algebra and Discrete Mathematics.

Chicago Style (17th ed.) Citation

Protasov, I., and K. Protasova. "On Free Vector Balleans." Algebra and Discrete Mathematics 2019.

MLA (8th ed.) Citation

Protasov, I., and K. Protasova. "On Free Vector Balleans." Algebra and Discrete Mathematics, 2019.

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