APA (7th ed.) Citation

Gutlyanskiĭ, Y., Nesmelova, O. V., & Ryazanov, V. I. (2019). To the theory of semi-linear equations in the plane.

Chicago Style (17th ed.) Citation

Gutlyanskiĭ, Ya, O. V. Nesmelova, and V. I. Ryazanov. To the Theory of Semi-linear Equations in the Plane. 2019.

MLA (8th ed.) Citation

Gutlyanskiĭ, Ya, et al. To the Theory of Semi-linear Equations in the Plane. 2019.

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