@article{MZ_1973__134_171966, author = {Eckart Gekeler}, title = {Long-Range and {Periodic} {Solutions} of {Parabolic} {Problems.}}, journal = {Mathematische Zeitschrift}, pages = {53--66}, publisher = {mathdoc}, volume = {134}, year = {1973}, zbl = {0256.35042}, url = {http://geodesic.mathdoc.fr/item/MZ_1973__134_171966/} }