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@article{MZ_1991__207_2_174287, author = {Jerry L. Kazdan and Zhiren Jin}, title = {On the rank of harmonic maps.}, journal = {Mathematische Zeitschrift}, pages = {535--538}, publisher = {mathdoc}, volume = {207}, number = {2}, year = {1991}, zbl = {0717.31006}, url = {http://geodesic.mathdoc.fr/item/MZ_1991__207_2_174287/} }
Jerry L. Kazdan; Zhiren Jin. On the rank of harmonic maps.. Mathematische Zeitschrift, Tome 207 (1991) no. 2, pp. 535-538. http://geodesic.mathdoc.fr/item/MZ_1991__207_2_174287/