@article{DAN_1985_281_6_a3,
     author = {N. A. Ismailova and V. E. Kondrashov},
     title = {The use of chasing coefficients of spectral systems for estimation of the spectrum of some matrices},
     journal = {Doklady Akademii Nauk},
     pages = {1303--1307},
     publisher = {mathdoc},
     volume = {281},
     number = {6},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1985_281_6_a3/}
}