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@article{MM2_1988__60_2_155280, author = {Fr\'ed\'eric Helein}, title = {Regularity and uniqueness of harmonic maps into and ellipsoid.}, journal = {Manuscripta mathematica}, pages = {235--258}, publisher = {mathdoc}, volume = {60}, number = {2}, year = {1988}, zbl = {0646.58020}, url = {http://geodesic.mathdoc.fr/item/MM2_1988__60_2_155280/} }
Frédéric Helein. Regularity and uniqueness of harmonic maps into and ellipsoid.. Manuscripta mathematica, Tome 60 (1988) no. 2, pp. 235-258. http://geodesic.mathdoc.fr/item/MM2_1988__60_2_155280/