@article{MMO_1976_35_a2,
     author = {S. A. Mol\v{c}anov and I. D. Novikov},
     title = {Free {Gibbs} energy in quantum systems},
     journal = {Trudy Moskovskogo matemati\v{c}eskogo ob\^{s}estva},
     pages = {77--102},
     publisher = {mathdoc},
     volume = {35},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MMO_1976_35_a2/}
}