@article{10_4064_fm_96_1_37_51,
     author = {Andr\'e Batbedat},
     title = {Demi-groupes, espaces affines et categories gauches},
     journal = {Fundamenta Mathematicae},
     pages = {37--51},
     publisher = {mathdoc},
     volume = {96},
     number = {1},
     year = {1977},
     doi = {10.4064/fm-96-1-37-51},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-96-1-37-51/}
}