%0 Journal Article %A Fumagalli, Alessio %A Patacchini, Francesco Saverio %T Model adaptation for non-linear elliptic equations in mixed form: existence of solutions and numerical strategies %J ESAIM: Mathematical Modelling and Numerical Analysis %D 2022 %P 565-592 %V 56 %N 2 %I EDP-Sciences %U https://www.numdam.org/articles/10.1051/m2an/2022016/ %R 10.1051/m2an/2022016 %G en %F M2AN_2022__56_2_565_0