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Partially supported by a research grant from the State of Oklahoma.
Partially supported by the Vanderbilt University Research Council.
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Powell, W.B., Tsinakis, C. Free products of lattice ordered groups. Algebra Universalis 18, 178–198 (1984). https://doi.org/10.1007/BF01198527
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DOI: https://doi.org/10.1007/BF01198527