Nikitas A. Alexandridis. Relations among sequency, axis symmetry, and period of Walsh functions (Corresp.). IEEE Transactions on Information Theory, 17(4):495-497, 1971. [doi]
@article{Alexandridis71, title = {Relations among sequency, axis symmetry, and period of Walsh functions (Corresp.)}, author = {Nikitas A. Alexandridis}, year = {1971}, doi = {10.1109/TIT.1971.1054650}, url = {http://dx.doi.org/10.1109/TIT.1971.1054650}, researchr = {https://researchr.org/publication/Alexandridis71}, cites = {0}, citedby = {0}, journal = {IEEE Transactions on Information Theory}, volume = {17}, number = {4}, pages = {495-497}, }