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@article{PORMA_1955__14_1_114744, author = {Wolfson, Kenneth G.}, title = {Anti-isomorphisms of the ring and lattice of a normed linear space}, journal = {Portugaliae mathematica}, pages = {1--7}, publisher = {mathdoc}, volume = {14}, number = {1}, year = {1955}, mrnumber = {0074797}, zbl = {0065.34601}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_1955__14_1_114744/} }
Wolfson, Kenneth G. Anti-isomorphisms of the ring and lattice of a normed linear space. Portugaliae mathematica, Tome 14 (1955) no. 1, pp. 1-7. http://geodesic.mathdoc.fr/item/PORMA_1955__14_1_114744/