Lectures on ordinary differential equations - McKelvey, Robert W., 1929- (New York Academic Press, 1970)
Oscillation theory of ordinary linear differential equations, by J. H. Barrett.--Subfunctions and second-order ordinary differential inequalities, by L. K. Jackson.--Topics in singular perturbations, by R. E. O'Malley.--Classification of second order linear differential equations with respect to oscillation, by D. Willett.
Includes bibliographies.
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Keywords: Differential equations