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@article{CMH_1977__52_139685, author = {Gottfried T. R\"uttimann}, title = {Jordan-Hahn decomposition of signed weights on {Finite} orthogonality spaces.}, journal = {Commentarii mathematici Helvetici}, pages = {129--144}, publisher = {mathdoc}, volume = {52}, year = {1977}, zbl = {0368.06008}, url = {http://geodesic.mathdoc.fr/item/CMH_1977__52_139685/} }
Gottfried T. Rüttimann. Jordan-Hahn decomposition of signed weights on Finite orthogonality spaces.. Commentarii mathematici Helvetici, Tome 52 (1977), pp. 129-144. http://geodesic.mathdoc.fr/item/CMH_1977__52_139685/