@article{10_4153_CJM_1967_091_8,
     author = {Goethals, J. M. and Seidel, J. J.},
     title = {Orthogonal {Matrices} with {Zero} {Diagonal}},
     journal = {Canadian journal of mathematics},
     pages = {1001--1010},
     year = {1967},
     volume = {19},
     number = {1},
     doi = {10.4153/CJM-1967-091-8},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1967-091-8/}
}