@article{10_4064_cm132_1_11,
     author = {Bakir Farhi},
     title = {Algebraic and topological structures on
 the set of mean functions and
 generalization of the {AGM} mean},
     journal = {Colloquium Mathematicum},
     pages = {139--149},
     year = {2013},
     volume = {132},
     number = {1},
     doi = {10.4064/cm132-1-11},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm132-1-11/}
}