@article{ISU_2005_5_1_a12,
     author = {D. V. Speranskiy and L. V. Kupriyanova},
     title = {Some interval problems of the theory of discrete linear systems},
     journal = {Izvestiya of Saratov University. Mathematics. Mechanics. Informatics},
     pages = {129--137},
     publisher = {mathdoc},
     volume = {5},
     number = {1},
     year = {2005},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ISU_2005_5_1_a12/}
}