APA (7th ed.) Citation

Feketa, P., & Perestyuk, Y. (2015). Perturbation theorems for a multifrequency system with impulses.

Chicago Style (17th ed.) Citation

Feketa, P., and Yu Perestyuk. Perturbation Theorems for a Multifrequency System with Impulses. 2015.

MLA (8th ed.) Citation

Feketa, P., and Yu Perestyuk. Perturbation Theorems for a Multifrequency System with Impulses. 2015.

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