Regular Variation And Differential Equations

An application of regular variation to the qualitative theory of differential equations. Asymptotic properties (including non-oscillation) of solutions of secon... » 

An application of regular variation to the qualitative theory of differential equations. Asymptotic properties (including non-oscillation) of solutions of second order linear and of some non-linear equations are proved by means of a method yielded by the well-developed theory of regular variation. «