TY - JOUR AU - R. Padmanabhan TI - A note on inverse binary operation in abelian groups JO - Fundamenta Mathematicae PY - 1969 SP - 61 EP - 63 VL - 65 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/fm-65-1-61-63/ DO - 10.4064/fm-65-1-61-63 LA - en ID - 10_4064_fm_65_1_61_63 ER -