@article{10_4064_fm_65_1_61_63,
     author = {R. Padmanabhan},
     title = {A note on inverse binary operation in abelian groups},
     journal = {Fundamenta Mathematicae},
     pages = {61--63},
     publisher = {mathdoc},
     volume = {65},
     number = {1},
     year = {1969},
     doi = {10.4064/fm-65-1-61-63},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-65-1-61-63/}
}