TY - JOUR AU - Westwick, Roy TI - Linear Transformations on Grassmann Spaces JO - Canadian journal of mathematics PY - 1969 SP - 414 EP - 417 VL - 21 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1969-045-6/ DO - 10.4153/CJM-1969-045-6 ID - 10_4153_CJM_1969_045_6 ER -