@article{10_4064__27_2_425_445, author = {T. Rozhkovskaya}, title = {Unilateral problems for elliptic systems with gradient constraints}, journal = {Banach Center Publications}, pages = {425--445}, publisher = {mathdoc}, volume = {27}, number = {2}, year = {1992}, doi = {10.4064/-27-2-425-445}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/-27-2-425-445/} }