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@article{JRAM_1987__374_152894, author = {Frank Duzaar}, title = {Variational inequalities and harmonic mappings.}, journal = {Journal f\"ur die reine und angewandte Mathematik}, pages = {39--60}, publisher = {mathdoc}, volume = {374}, year = {1987}, zbl = {0597.58006}, url = {http://geodesic.mathdoc.fr/item/JRAM_1987__374_152894/} }
Frank Duzaar. Variational inequalities and harmonic mappings.. Journal für die reine und angewandte Mathematik, Tome 374 (1987), pp. 39-60. http://geodesic.mathdoc.fr/item/JRAM_1987__374_152894/