Cita APA (7th ed.)

Feshchenko, S. F., Shkil', N. I., & Nikolenko, L. D. (1967). Asymptotic methods in the theory of linear differential equations. American Elsevier Pub. Co..

Cita Chicago (17th ed.)

Feshchenko, Stepan Fedorovich, Nikolai Ivanovich Shkil', i Larisa Danilovna Nikolenko. Asymptotic Methods in the Theory of Linear Differential Equations. New York: American Elsevier Pub. Co., 1967.

Cita MLA (8th ed.)

Feshchenko, Stepan Fedorovich, et al. Asymptotic Methods in the Theory of Linear Differential Equations. American Elsevier Pub. Co., 1967.