APA (7th ed.) Citation

Tikhonov, I. V., & Eidelman, Y. S. On periodic solutions of abstract differential equations. Wiley.

Chicago Style (17th ed.) Citation

Tikhonov, I. V., and Y. S. Eidelman. On Periodic Solutions of Abstract Differential Equations. Wiley.

MLA (9th ed.) Citation

Tikhonov, I. V., and Y. S. Eidelman. On Periodic Solutions of Abstract Differential Equations. Wiley.

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