TY - JOUR AU - Cejas, María E. AU - Durán, Ricardo G. AU - Prieto, Mariana I. TI - Mixed methods for degenerate elliptic problems and application to fractional Laplacian JO - ESAIM: Mathematical Modelling and Numerical Analysis PY - 2021 SP - S993 EP - S1019 VL - 55 IS - Supplément PB - EDP-Sciences UR - https://www.numdam.org/articles/10.1051/m2an/2020068/ DO - 10.1051/m2an/2020068 LA - en ID - M2AN_2021__55_S1_S993_0 ER -