@article{DE_2004_40_5_a12,
     author = {Sh. G. Kasimov},
     title = {On the {Traces} of {Means} of {Spectral} {Expansions} {Corresponding} to {Elliptic} {Pseudodifferential} {Operators} 
},
     journal = {Differencialʹnye uravneni\^a},
     pages = {681--685},
     publisher = {mathdoc},
     volume = {40},
     number = {5},
     year = {2004},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2004_40_5_a12/}
}