Abstract
The postulate system proposed byCallen is not complete, as it does not yield a unique entropy function. The necessary and sufficient additions to define the unique entropy function are determined.
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Martinás, K. The completion of the Callen postulate system. Acta Physica 50, 121–124 (1981). https://doi.org/10.1007/BF03157963
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DOI: https://doi.org/10.1007/BF03157963