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@article{MAN_1984__269_163928, author = {S.M. Salamon}, title = {Harmonic {4-Spaces.}}, journal = {Mathematische Annalen}, pages = {169--178}, publisher = {mathdoc}, volume = {269}, year = {1984}, zbl = {0562.53014}, url = {http://geodesic.mathdoc.fr/item/MAN_1984__269_163928/} }
S.M. Salamon. Harmonic 4-Spaces.. Mathematische Annalen, Tome 269 (1984), pp. 169-178. http://geodesic.mathdoc.fr/item/MAN_1984__269_163928/