TY - JOUR AU - Lee, K. K. TI - Comments on the Spinor Structure of Space-Time* JO - Canadian mathematical bulletin PY - 1975 SP - 437 EP - 438 VL - 18 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1975-083-1/ DO - 10.4153/CMB-1975-083-1 ID - 10_4153_CMB_1975_083_1 ER -