@article{TMF_1992_90_2_a7,
     author = {A. F. Izmailov and A. R. Kessel},
     title = {Calculation of quantum partition function of the {BCS} model in the disordered phase},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {233--245},
     year = {1992},
     volume = {90},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1992_90_2_a7/}
}