@article{SF_1985__31_134733,
     author = {J.P. Troallic and E. Menard},
     title = {Points extr\^emaux dans un monoide affine semitopologique.},
     journal = {Semigroup forum},
     pages = {19--24},
     publisher = {mathdoc},
     volume = {31},
     year = {1985},
     zbl = {0576.22004},
     url = {http://geodesic.mathdoc.fr/item/SF_1985__31_134733/}
}