%0 Journal Article %A Cejas, María E. %A Durán, Ricardo G. %A Prieto, Mariana I. %T Mixed methods for degenerate elliptic problems and application to fractional Laplacian %J ESAIM: Mathematical Modelling and Numerical Analysis %D 2021 %P S993-S1019 %V 55 %N Supplément %I EDP-Sciences %U https://www.numdam.org/articles/10.1051/m2an/2020068/ %R 10.1051/m2an/2020068 %G en %F M2AN_2021__55_S1_S993_0