@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/}
}