@article{JCEM_2022_9_3_a2,
     author = {N. S. Goncharov},
     title = {The {Poisson} equation with {Wentzell} boundary conditions in the square},
     journal = {Journal of computational and engineering mathematics},
     pages = {30--38},
     year = {2022},
     volume = {9},
     number = {3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JCEM_2022_9_3_a2/}
}