@article{FAA_1998_32_1_a15,
     author = {A. V. Chervov},
     title = {Traces of {Creation--Annihilation} {Operators} and {Fredholm} {Formulas}},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {90--95},
     publisher = {mathdoc},
     volume = {32},
     number = {1},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1998_32_1_a15/}
}