@article{DAN_1982_264_4_a14,
     author = {V. A. Sadovnichii and V. V. Dubrovskii and V. A. Lyubishkin},
     title = {Traces of discrete operators},
     journal = {Doklady Akademii Nauk},
     pages = {830--832},
     publisher = {mathdoc},
     volume = {264},
     number = {4},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1982_264_4_a14/}
}