@article{IVM_1987_12_a10,
     author = {A. Kh. Kushkuleǐ},
     title = {Identities of the irreducible sets of linear operators},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {55--58},
     publisher = {mathdoc},
     number = {12},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1987_12_a10/}
}