The objective of this note is the announcement of two results of Ambrosetti-Prodi type concerning the existence of periodic (respectively bounded) solutions of the first order differential equation x' = f (t,x).
@article{urn:eudml:doc:38669, title = {The set of first-order differential equations with periodic or bounded solutions.}, journal = {Extracta Mathematicae}, volume = {16}, year = {2001}, pages = {293-295}, zbl = {1001.34036}, language = {en}, url = {http://dml.mathdoc.fr/item/urn:eudml:doc:38669} }
Bravo, José L.; Fernández, Manuel; Tineo, Antonio. The set of first-order differential equations with periodic or bounded solutions.. Extracta Mathematicae, Tome 16 (2001) pp. 293-295. http://gdmltest.u-ga.fr/item/urn:eudml:doc:38669/