%0 Journal Article
%A Daqing Jiang
%A Lingbin Kong
%T A monotone method for constructing extremal solutions
to second order periodic boundary value problems
%J Annales Polonici Mathematici
%D 2001
%P 279-286
%V 76
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/ap76-3-6/
%R 10.4064/ap76-3-6
%G en
%F 10_4064_ap76_3_6