%0 Journal Article
%A Drábek, Pavel
%T Remarks on multiple periodic solutions of nonlinear ordinary differential equations
%J Commentationes Mathematicae Universitatis Carolinae
%D 1980
%P 155-160
%V 21
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMUC_1980__21_1_a11/
%G en
%F CMUC_1980__21_1_a11