TY - JOUR AU - Spence, Edward TI - Skew-Hadamard Matrices of the Goethals-Seidel Type JO - Canadian journal of mathematics PY - 1975 SP - 555 EP - 560 VL - 27 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1975-066-9/ DO - 10.4153/CJM-1975-066-9 ID - 10_4153_CJM_1975_066_9 ER -