@article{JCEM_2017_4_1_a6,
     author = {E. V. Kirillov},
     title = {The spectral identity for the operator with non-nuclear resolvent},
     journal = {Journal of computational and engineering mathematics},
     pages = {69--75},
     publisher = {mathdoc},
     volume = {4},
     number = {1},
     year = {2017},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JCEM_2017_4_1_a6/}
}