@article{COCV_2021__27_S1_A2_0,
     author = {Hinterm\"uller, M. and R\"osel, S.},
     title = {Duality results and regularization schemes for {Prandtl{\textendash}Reuss} perfect plasticity},
     journal = {ESAIM: Control, Optimisation and Calculus of Variations},
     year = {2021},
     publisher = {EDP-Sciences},
     volume = {27},
     doi = {10.1051/cocv/2018004},
     mrnumber = {4222147},
     zbl = {1468.74007},
     language = {en},
     url = {https://www.numdam.org/articles/10.1051/cocv/2018004/}
}