TY - JOUR AU - Lindner, C. C. AU - Mullin, R. C. AU - Hoffman, D. G. TI - The Spectra for the Conjugate Invariant Subgroups of n 2 × 4 Orthogonal Arrays JO - Canadian journal of mathematics PY - 1980 SP - 1126 EP - 1139 VL - 32 IS - 5 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1980-086-9/ DO - 10.4153/CJM-1980-086-9 ID - 10_4153_CJM_1980_086_9 ER -