2 citations to https://www.mathnet.ru/eng/dan2425

1. Kh. D. Ikramov, A. K. Abdikalykov, “On Unitary Transposable Matrices of Order Three”, Math. Notes, 91:4 (2012), 528–534              
2. Kh. D. Ikramov, “On unitarily transposable matrices”, J. Math. Sci. (N. Y.), 150:2 (2008), 1937–1942