APA (7th ed.) Citation

Protasov, I. (2002). Metrizable ball structures. Algebra and Discrete Mathematics.

Chicago Style (17th ed.) Citation

Protasov, I.V. "Metrizable Ball Structures." Algebra and Discrete Mathematics 2002.

MLA (8th ed.) Citation

Protasov, I.V. "Metrizable Ball Structures." Algebra and Discrete Mathematics, 2002.

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