@article{ZVMMF_2008_48_11_a0,
     author = {I. E. Kaporin},
     title = {Localization of the eigenvalues of a~pencil of positive definite matrices},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1923--1931},
     publisher = {mathdoc},
     volume = {48},
     number = {11},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_2008_48_11_a0/}
}