@article{EP_2012_36_a15,
     author = {Ricardo L\'opez-Ruiz and Jos\'e-Luis L\'opez and Xavier Calbet},
     title = {Exponential wealth distribution : a new approach from functional iteration theory},
     journal = {ESAIM. Proceedings},
     pages = {189--196},
     year = {2012},
     volume = {36},
     doi = {10.1051/proc/201236015},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.1051/proc/201236015/}
}