%0 Journal Article
%A Wang, Genqiang
%A Yan, Jurang
%T Existence theorem of periodic positive solutions for the Rayleigh equation of retarded type.
%J Portugaliae mathematica
%D 2000
%P 153-160
%V 57
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/PORMA_2000__57_2_48773/
%G en
%F PORMA_2000__57_2_48773