%0 Journal Article %A Clairambault, Jean %A Gaubert, Stéphane %A Perthame, Benoît %T An inequality for the Perron and Floquet eigenvalues of monotone differential systems and age structured equations %J Comptes Rendus. Mathématique %D 2007 %P 549-554 %V 345 %N 10 %I Elsevier %U http://www.numdam.org/articles/10.1016/j.crma.2007.10.001/ %R 10.1016/j.crma.2007.10.001 %G en %F CRMATH_2007__345_10_549_0