Fino, B. J.; Algazi, V. R. (1976). "Unified Matrix Treatment of the Fast Walsh–Hadamard Transform". IEEE Transactions on Computers. 25 (11): 1142–1146. doi:10.1109/TC.1976.1674569. S2CID13252360.
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Fino, B. J.; Algazi, V. R. (1976). "Unified Matrix Treatment of the Fast Walsh–Hadamard Transform". IEEE Transactions on Computers. 25 (11): 1142–1146. doi:10.1109/TC.1976.1674569. S2CID13252360.