1. 1. V. A. Bashev, "Representations of the group Z_2 x Z_2 in a field of characteristic 2," Dokl. Akad. Nauk SSSR 141, 1015-1018 (1961)
2. English translation: Sov. Math., Dokl. 2, 1589-1593 (1961).
3. 2. V. M. Bondarenko, Representations of Gelfand Graphs [in Ukrainian], Inst. Math., NAS of Ukraine (2005).
4. 3. V. M. Bondarenko, "On the similarity of matrices over a ring of the classes of residues," in: Mat. Sb. Inst. Mat. Akad. Nauk UkrSSR [in Russian], Kiev (1976), pp. 275-277.
5. 4. V. M. Bondarenko, "Representations of dihedral groups over a field of characteristic 2," Mat. Sb. (N. S.), 96(138), No. 1, 63-74 (1975); English translation: Math. USSR Sb., 25, No. 1, 58-68 (1976); http://doi.org/10.1070/SM1975v025n01ABEH002197