Cita APA (7th ed.)
Skil', N. (1967). Asymptotic Methods in the theory of linear differential equations.
Cita Chicago (17th ed.)
Skil', N.I. Asymptotic Methods in the Theory of Linear Differential Equations. 1967.
Cita MLA (9th ed.)
Skil', N.I. Asymptotic Methods in the Theory of Linear Differential Equations. 1967.
Atenció: Aquestes cites poden no estar 100% correctes.