@article{DAN_1990_310_5_a3,
     author = {E. G. Kosman},
     title = {The structuring of matrices},
     journal = {Doklady Akademii Nauk},
     pages = {1043--1046},
     publisher = {mathdoc},
     volume = {310},
     number = {5},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1990_310_5_a3/}
}