@article{SM_1988_59_1_a2,
     author = {A. A. Abdurakhmanov},
     title = {The geometry of the {Hausdorff} domain in localization problems for the spectrum of arbitrary matrices},
     journal = {Sbornik. Mathematics},
     pages = {39--51},
     year = {1988},
     volume = {59},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1988_59_1_a2/}
}