@article{MZM_2002_72_2_a4,
     author = {M. T. Karaev},
     title = {Berezin {Symbols} and {Schatten{\textendash}von} {Neumann} {Classes}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {207--215},
     year = {2002},
     volume = {72},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2002_72_2_a4/}
}