@article{TMF_1991_88_2_a8,
     author = {R. Kh. Sabirov},
     title = {Inequalities for thermodynamic mean values of operator products},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {311--313},
     publisher = {mathdoc},
     volume = {88},
     number = {2},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1991_88_2_a8/}
}