%0 Journal Article %A Eckart Gekeler %T Long-Range and Periodic Solutions of Parabolic Problems. %J Mathematische Zeitschrift %D 1973 %P 53-66 %V 134 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1973__134_171966/ %F MZ_1973__134_171966