@article{MT_1985_6_a5,
     author = {A. D. Mitchenko},
     title = {Algorithms for deflation of tridiagonal symmetric and bidiagonal matrices with guaranteed estimate of accuracy},
     journal = {Matemati\v{c}eskie trudy},
     pages = {110--161},
     publisher = {mathdoc},
     volume = {6},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MT_1985_6_a5/}
}