@article{M2AN_2003__37_2_345_0,
     author = {Desvillettes, Laurent and Salvarani, Francesco},
     title = {Characterization of collision kernels},
     journal = {ESAIM: Mod\'elisation math\'ematique et analyse num\'erique},
     pages = {345--355},
     publisher = {EDP-Sciences},
     volume = {37},
     number = {2},
     year = {2003},
     doi = {10.1051/m2an:2003030},
     mrnumber = {1991205},
     zbl = {1047.76114},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/m2an:2003030/}
}