TY - JOUR AU - Dougall, John TI - The Double Six of Lines and a Theorem in Euclidean Plane Geometry JO - Glasgow mathematical journal PY - 1952 SP - 1 EP - 7 VL - 1 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.1017/S2040618500032846/ DO - 10.1017/S2040618500032846 ID - 10_1017_S2040618500032846 ER -