TY - JOUR AU - Singh, K. TI - On the Vanishing of a (G, σ) Product in a (G, σ) Space JO - Canadian journal of mathematics PY - 1970 SP - 363 EP - 371 VL - 22 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1970-044-4/ DO - 10.4153/CJM-1970-044-4 ID - 10_4153_CJM_1970_044_4 ER -