%0 Journal Article %A Ntovoris, E. %A Regis, M. %T A solution with free boundary for non-Newtonian fluids with Drucker–Prager plasticity criterion %J ESAIM: Control, Optimisation and Calculus of Variations %D 2019 %V 25 %I EDP-Sciences %U http://archive.numdam.org/articles/10.1051/cocv/2018040/ %R 10.1051/cocv/2018040 %G en %F COCV_2019__25__A46_0