@article{MAN_1986__276_164194,
     author = {G.R. Burton},
     title = {Rearrangements of {Functions,} {Maximization} of {Convex} {Functionals,} and {Vortex} {Rings.}},
     journal = {Mathematische Annalen},
     pages = {225--254},
     publisher = {mathdoc},
     volume = {276},
     year = {1986},
     zbl = {0592.35049},
     url = {http://geodesic.mathdoc.fr/item/MAN_1986__276_164194/}
}