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@article{JRAM_1988__384_153002, author = {John E. Brothers and William P. Ziemer}, title = {Minimal rearrangements of {Sobolev} functions.}, journal = {Journal f\"ur die reine und angewandte Mathematik}, pages = {153--179}, publisher = {mathdoc}, volume = {384}, year = {1988}, zbl = {0633.46030}, url = {http://geodesic.mathdoc.fr/item/JRAM_1988__384_153002/} }
John E. Brothers; William P. Ziemer. Minimal rearrangements of Sobolev functions.. Journal für die reine und angewandte Mathematik, Tome 384 (1988), pp. 153-179. http://geodesic.mathdoc.fr/item/JRAM_1988__384_153002/