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@article{MAN_1987__277_164249, author = {S.M. Salamon and F.E. Burstall}, title = {Tournaments, {Flags,} and {Harmonic} {Maps.}}, journal = {Mathematische Annalen}, pages = {249--266}, publisher = {mathdoc}, volume = {277}, year = {1987}, zbl = {0597.58005}, url = {http://geodesic.mathdoc.fr/item/MAN_1987__277_164249/} }
S.M. Salamon; F.E. Burstall. Tournaments, Flags, and Harmonic Maps.. Mathematische Annalen, Tome 277 (1987), pp. 249-266. http://geodesic.mathdoc.fr/item/MAN_1987__277_164249/