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@article{MM2_1974__14_154280, author = {Bertram Walsh}, title = {Positive {Approximate} {Identities} and {Lattice-Ordered} {Dual} spaces.}, journal = {Manuscripta mathematica}, pages = {57--64}, publisher = {mathdoc}, volume = {14}, year = {1974}, zbl = {0305.46013}, url = {http://geodesic.mathdoc.fr/item/MM2_1974__14_154280/} }
Bertram Walsh. Positive Approximate Identities and Lattice-Ordered Dual spaces.. Manuscripta mathematica, Tome 14 (1974), pp. 57-64. http://geodesic.mathdoc.fr/item/MM2_1974__14_154280/