Factorization of Operators of Second Order Linear Homogeneous Ordinary Differential Equations Donn C. Sandell and F. Max Stein The Two-Year College Mathematics Journal , pp. 132-141 (10 pages) ...

Introduction to differential equations. Topics include methods of solutions for linear and non-linear first order differential equations, linear second order differential equations, higher order ...

S. C. Tefteller, Oscillation of Second Order Nonhomogeneous Linear Differential Equations, SIAM Journal on Applied Mathematics, Vol. 31, No. 3 (Nov., 1976), pp. 461-467 ...