TY - JOUR AU - Cummings, L. J. AU - Robinson, R. W. TI - Linear Symmetry Classes JO - Canadian journal of mathematics PY - 1976 SP - 1311 EP - 1319 VL - 28 IS - 6 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1976-130-0/ DO - 10.4153/CJM-1976-130-0 ID - 10_4153_CJM_1976_130_0 ER -