@article{RM_1997_52_3_a10,
     author = {S. V. Savchenko},
     title = {On the spectra of finite submatrices of infinite irreducible matrices},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {619--620},
     publisher = {mathdoc},
     volume = {52},
     number = {3},
     year = {1997},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1997_52_3_a10/}
}