Geodesic
Approximation of the Hamiltonian for $(V,\mathscr N)$-systems
Teoretičeskaâ i matematičeskaâ fizika, Tome 37 (1978) no. 2, pp. 258-264 
A. N. Ermilov; A. M. Kurbatov. Approximation of the Hamiltonian for $(V,\mathscr N)$-systems. Teoretičeskaâ i matematičeskaâ fizika, Tome 37 (1978) no. 2, pp. 258-264. http://geodesic.mathdoc.fr/item/TMF_1978_37_2_a9/
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     title = {Approximation of the {Hamiltonian} for $(V,\mathscr N)$-systems},
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     volume = {37},
     number = {2},
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Voir la notice de l'article provenant de la source Math-Net.Ru

The method of approximating Hamiltonians is modified for direct application to the investigation of statistical systems defined by the volume and mean number of particles.

[1] N. N. Bogolubov, Jr., Physica, 32 (1966), 933 | DOI | MR

[2] N. N. Bogolyubov (ml.), Metod issledovaniya modelnykh gamiltonianov, «Nauka», 1974 | MR

[3] G. Wentzel, Phys. Rev., 120 (1960), 1572 | DOI | MR | Zbl

[4] A. N. Ermilov, A. M. Kurbatov, Preprint OIYaI R5-10237, Dubna, 1976

[5] A. N. Ermilov, A. M. Kurbatov, Preprint OIYaI R5-10245, Dubna, 1976