@article{article1928,
  title = {Trigonometric based B-spline method for singularly perturbed sobolev problems with initial layers},
  author = {CHERU, S.L. and DURESSA, G.F. and MEKONNEN, T.B.},
  journal = {Sigma Journal of Engineering and Natural Sciences},
  year = {2025},
  volume = {43},
  pages = {1967-1981},
  doi = {10.14744/sigma.2025.1928}
}