@article{CRMATH_2007__345_10_549_0,
     author = {Jean Clairambault and St\'ephane Gaubert and Beno{\^\i}t Perthame},
     title = {An inequality for the {Perron} and {Floquet} eigenvalues of monotone differential systems and age structured equations},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {549--554},
     publisher = {Elsevier},
     volume = {345},
     number = {10},
     year = {2007},
     doi = {10.1016/j.crma.2007.10.001},
     language = {en},
}