@article{AFST_2004_6_13_3_377_0,
     author = {Even, Christian},
     title = {Degr\'es de libert\'e des moyennes de convolution pr\'eservant la r\'ealit\'e},
     journal = {Annales de la Facult\'e des sciences de Toulouse : Math\'ematiques},
     pages = {377--420},
     publisher = {Universit\'e Paul Sabatier, Institut de math\'ematiques},
     address = {Toulouse},
     volume = {6e s{\'e}rie, 13},
     number = {3},
     year = {2004},
     zbl = {1103.44003},
     language = {fr},
     url = {http://www.numdam.org/item/AFST_2004_6_13_3_377_0/}
}