Ronan Egan, Padraig Ó Catháin, Eric Swartz. Spectra of Hadamard matrices. Australasian J. Combinatorics, 73:501-512, 2019. [doi]
@article{EganCS19, title = {Spectra of Hadamard matrices}, author = {Ronan Egan and Padraig Ó Catháin and Eric Swartz}, year = {2019}, url = {http://ajc.maths.uq.edu.au/pdf/73/ajc_v73_p501.pdf}, researchr = {https://researchr.org/publication/EganCS19}, cites = {0}, citedby = {0}, journal = {Australasian J. Combinatorics}, volume = {73}, pages = {501-512}, }