TY - JOUR AU - Stevenson, Frederick W. TI - Weakly Isotopic Planar Ternary Rings JO - Canadian journal of mathematics PY - 1975 SP - 32 EP - 36 VL - 27 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1975-005-9/ DO - 10.4153/CJM-1975-005-9 ID - 10_4153_CJM_1975_005_9 ER -