APA (7th ed.) Citation

Nizhnik, I. L., & Нижник, І. Л. (2016). Periodic solutions of differential equations with discontinuous nonlinearity. Інститут математики НАН України.

Chicago Style (17th ed.) Citation

Nizhnik, I. L., and І. Л Нижник. Periodic Solutions of Differential Equations with Discontinuous Nonlinearity. Інститут математики НАН України, 2016.

MLA (8th ed.) Citation

Nizhnik, I. L., and І. Л Нижник. Periodic Solutions of Differential Equations with Discontinuous Nonlinearity. Інститут математики НАН України, 2016.

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