TY - JOUR AU - Robinson, P. L. TI - Clifford algebras and isotropes JO - Glasgow mathematical journal PY - 1987 SP - 249 EP - 257 VL - 29 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.1017/S001708950000690X/ DO - 10.1017/S001708950000690X ID - 10_1017_S001708950000690X ER -