%0 Journal Article %A R. Dilão %A A. Lakmeche %T On the Weak Solutions of the McKendrick Equation: Existence of Demography Cycles %J Mathematical modelling of natural phenomena %D 2006 %P 1-30 %V 1 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1051/mmnp:2006001/ %R 10.1051/mmnp:2006001 %G en %F MMNP_2006_1_1_a0