%0 Journal Article %A Spence, Edward %T Skew-Hadamard Matrices of the Goethals-Seidel Type %J Canadian journal of mathematics %D 1975 %P 555-560 %V 27 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1975-066-9/ %R 10.4153/CJM-1975-066-9 %F 10_4153_CJM_1975_066_9