@article{MT_1989_15_a3,
     author = {O. P. Kirilyuk},
     title = {Simplifying the structure of band matrices},
     journal = {Matemati\v{c}eskie trudy},
     pages = {127--145},
     year = {1989},
     volume = {15},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MT_1989_15_a3/}
}