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2015.
DIFERENCIJALNE JEDNAČINE SA PERIODIČNIM KOEFICIJENTIMA DIFFERENTIAL EQUATIONS WITH PERIODIC COEFFICIENTS
The aim of this paper is to explore in some detail the second order linear ordinary differential equation with real or complex periodic coefficients, also known as the Hill’s equation, with some emphasis on stability and instability intervals and explore two related self-adjoint eigenvalue problems leading to the two final results which enable us to practically solve problems of this type.