On the Solutions of Linear Second-order Differential Equations.

@article{Galbraith1965OnTS,
  title={On the Solutions of Linear Second-order Differential Equations.},
  author={Andrew Galbraith and E J McShane and G B Parrish},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  year={1965},
  volume={53 2},
  pages={247-9}
}