TY - JOUR AU - Thomas, L. A. TI - Ordered Desarguesian Affine Hjelmslev Planes JO - Canadian mathematical bulletin PY - 1978 SP - 229 EP - 235 VL - 21 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1978-038-2/ DO - 10.4153/CMB-1978-038-2 ID - 10_4153_CMB_1978_038_2 ER -