@article{M2AN_2021__55_S1_S993_0,
     author = {Cejas, Mar{\'\i}a E. and Dur\'an, Ricardo G. and Prieto, Mariana I.},
     title = {Mixed methods for degenerate elliptic problems and application to fractional {Laplacian}},
     journal = {ESAIM: Mathematical Modelling and Numerical Analysis },
     pages = {S993--S1019},
     year = {2021},
     publisher = {EDP-Sciences},
     volume = {55},
     number = {Suppl\'ement},
     doi = {10.1051/m2an/2020068},
     mrnumber = {4221331},
     zbl = {1477.65200},
     language = {en},
     url = {https://www.numdam.org/articles/10.1051/m2an/2020068/}
}