@article{MT_1989_15_a0,
     author = {S. K. Godunov},
     title = {Criteria for the convergence of orthogonal-power methods of the spectral analysis of matrices},
     journal = {Matemati\v{c}eskie trudy},
     pages = {4--12},
     publisher = {mathdoc},
     volume = {15},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MT_1989_15_a0/}
}