@article{MZM_2006_79_5_a2,
     author = {V. N. Bukov and S. V. Goryunov},
     title = {Inversion and canonization of block matrices},
     journal = {Matemati\v{c}eskie zametki},
     pages = {662--673},
     publisher = {mathdoc},
     volume = {79},
     number = {5},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2006_79_5_a2/}
}