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Multiparticle correlations, entropy of partial distributions, and the direct variational method
Teoretičeskaâ i matematičeskaâ fizika, Tome 143 (2005) no. 1, pp. 150-160 Cet article a éte moissonné depuis la source Math-Net.Ru

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In the classical statistical theory, multiparticle correlations are governed by a variational principle for a functional that becomes the thermodynamic potential on its extremal. We show that this functional contains a part that has the meaning of a sum of contributions from multiparticle entropies. We present a method for passing from the conditional variational problem for the thermodynamic potential to an unconditional one.
Keywords: partial distributions, irreducible contributions, connected diagrams, entropy, direct correlations, total correlations, direct variational principle. 
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     title = {Multiparticle correlations, entropy of partial distributions, and the direct variational method},
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     url = {http://geodesic.mathdoc.fr/item/TMF_2005_143_1_a9/}
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É. A. Arinstein. Multiparticle correlations, entropy of partial distributions, and the direct variational method. Teoretičeskaâ i matematičeskaâ fizika, Tome 143 (2005) no. 1, pp. 150-160. http://geodesic.mathdoc.fr/item/TMF_2005_143_1_a9/

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[3] E. A. Arinshtein, TMF, 141:1 (2004), 152–160 | DOI | MR | Zbl