Uniqueness of Butson Hadamard matrices of small degrees
Tài liệu tham khảo
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Beth, 1999, Design Theory. Vol. I, vol. 78
Butson, 1962, Generalized Hadamard matrices, Proc. Am. Math. Soc., 13, 894, 10.1090/S0002-9939-1962-0142557-0
Horadam, 2007