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The work of this author was supported in part by National Science Foundation Grant GP-8253.
The work of this author was supported in part by National Science Foundation Grant GP-13284.
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Bruckner, A.M., Weiss, M.L. On approximate identities in abstract, measure spaces. Monatshefte für Mathematik 74, 289–301 (1970). https://doi.org/10.1007/BF01302696
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DOI: https://doi.org/10.1007/BF01302696