@article{10_4064_fm_89_1_1_4,
     author = {Richard Millman},
     title = {Groups in the category of f-manifolds},
     journal = {Fundamenta Mathematicae},
     pages = {1--4},
     publisher = {mathdoc},
     volume = {89},
     number = {1},
     year = {1975},
     doi = {10.4064/fm-89-1-1-4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-89-1-1-4/}
}