@article{etna_vol59_pp179-201,
  author  = {Zorica Milovanovi\'c Jekni\'c and Bratislav Sredojevi\'c and Dejan Bojovi\'c},
  title   = {On the numerical solution of an elliptic problem with nonlocal boundary conditions},
  journal = {Electron. Trans. Numer. Anal.},
  volume  = {59},
  year    = {2023},
  pages   = {179--201},
  doi     = {10.1553/etna_vol59s179},
}