APA (7th ed.) Citation

Petravchuk, A., & Iena, O. (2007). On closed rational functions in several variables. Algebra and Discrete Mathematics.

Chicago Style (17th ed.) Citation

Petravchuk, A.P, and O.G Iena. "On Closed Rational Functions in Several Variables." Algebra and Discrete Mathematics 2007.

MLA (8th ed.) Citation

Petravchuk, A.P, and O.G Iena. "On Closed Rational Functions in Several Variables." Algebra and Discrete Mathematics, 2007.

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