6 References

1. An Algorithm for Solving Second Order Linear Homogeneous Differential Equations (1985 version). By JERALD J. KOVACIC.
2. An Implementation of Kovacic’s Algorithm for Solving Second Order Linear Homogeneous Differential Equations. By David Saunders.
3. A DISCUSSION AND IMPLEMENTATION OF KOVACICS ALGORITHM FOR ORDINARY DIFFERENTIAL EQUATIONS. By Carolyn J. Smith.