TY  - BOOK
AU  - McKelvey,Robert W.
TI  - Lectures on ordinary differential equations
PY  - 1970///
CY  - New York
PB  - Academic Press
KW  - Differential equations
N1  - Includes bibliographies; 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
ER  -