@article{DAN_1996_351_1_a2,
     author = {Kh. D. Ikramov},
     title = {On normal completions of triangular matrices},
     journal = {Doklady Akademii Nauk},
     pages = {11--12},
     year = {1996},
     volume = {351},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1996_351_1_a2/}
}