@article{SM_2000_191_4_a3,
     author = {D. N. Ivanov},
     title = {Balanced systems of primitive idempotents in matrix algebras},
     journal = {Sbornik. Mathematics},
     pages = {543--565},
     year = {2000},
     volume = {191},
     number = {4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2000_191_4_a3/}
}