TY - JOUR AU - Szász, Paul TI - On The Pseudo-Euclidean Geometry Due to G. Hessenberg JO - Canadian journal of mathematics PY - 1967 SP - 1218 EP - 1232 VL - 19 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1967-111-5/ DO - 10.4153/CJM-1967-111-5 ID - 10_4153_CJM_1967_111_5 ER -