APA (7th ed.) Citation

Zelinskyi, Y. B. (2017). Variations on "shadow" problem.

Chicago Style (17th ed.) Citation

Zelinskyi, Yu. B. Variations on "shadow" Problem. 2017.

MLA (8th ed.) Citation

Zelinskyi, Yu. B. Variations on "shadow" Problem. 2017.

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