Litvin A.I. «On Some Approach to Hadamard's Problem » // 2008. №1 (2) C.51-57
Pushkarev Igor A., Byzov Victor A. «Explicit construction of infinite families of strongly regular digraphs with parameters ((v + (2n+1 - 4)t)2n-1,k + (2n - 2)t,t,λ,t)» // Applied Discrete Mathematics 2025. №69 C.111-120
Malkova K. M., Bespalov M. S. «Coding information by walsh matrices» // Applied Discrete Mathematics. Supplement 2020. №13 C.121-124