@article{CRMATH_2004__338_9_697_0, author = {Philippe Michel and St\'ephane Mischler and Beno{\i}̂t Perthame}, title = {General entropy equations for structured population models and scattering}, journal = {Comptes Rendus. Math\'ematique}, pages = {697--702}, publisher = {Elsevier}, volume = {338}, number = {9}, year = {2004}, doi = {10.1016/j.crma.2004.03.006}, language = {en}, }