APA (7th ed.) Citation

Feščenko, S. F., Škilʹ, M. I., & Nikolenko, L. D. (1967). Asymptotic methods in the theory of linear differential equations. American Elsevier.

Chicago Style (17th ed.) Citation

Feščenko, Stepan F., Mykola Ivanovyč Škilʹ, and L. D. Nikolenko. Asymptotic Methods in the Theory of Linear Differential Equations. New York: American Elsevier, 1967.

MLA (9th ed.) Citation

Feščenko, Stepan F., et al. Asymptotic Methods in the Theory of Linear Differential Equations. American Elsevier, 1967.