@misc{indiciae3a745589257d,
  title = {Asymptotic integration algorithms for nonhomogeneous, nonlinear, first order, ordinary differential equations},
  author = {Walker, K. P. and Freed, A. D.},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19910012484},
  note = {Source identifier: 19910012484}
}