@article{JCA_2021_28_1_JCA_2021_28_1_a12,
     author = {J. Danecek and J. Star\'a and E. Viszus},
     title = {Interior {Regularity} for a {Class} of {Nonlinear} {Second-Order} {Elliptic} {Systems}},
     journal = {Journal of convex analysis},
     pages = {179--196},
     year = {2021},
     volume = {28},
     number = {1},
     url = {http://geodesic.mathdoc.fr/item/JCA_2021_28_1_JCA_2021_28_1_a12/}
}