@article{Jangid:170213,
      author        = "Jangid, Hemlata and Kumari, Parvin and Clavero, Carmelo",
      title         = "{A Shishkin mesh based modified bi-cubic B-spline approach
                       for two-dimensional elliptic convection-diffusion problems
                       with regular boundary layers}",
      year          = "2026",
}