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@article{PORMA_1983__42_4_115561, author = {Queir\'o, Jo\~ao Filipe}, title = {On the {Fischer} inequality}, journal = {Portugaliae mathematica}, pages = {467--468}, publisher = {mathdoc}, volume = {42}, number = {4}, year = {1983}, mrnumber = {0836124}, zbl = {0581.15008}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_1983__42_4_115561/} }
Queiró, João Filipe. On the Fischer inequality. Portugaliae mathematica, Tome 42 (1983) no. 4, pp. 467-468. http://geodesic.mathdoc.fr/item/PORMA_1983__42_4_115561/