@article{DAN_1981_261_2_a7,
     author = {V. A. Sadovnichii and V. A. Lyubishkin},
     title = {Regularized traces of discrete operators},
     journal = {Doklady Akademii Nauk},
     pages = {290--293},
     publisher = {mathdoc},
     volume = {261},
     number = {2},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1981_261_2_a7/}
}