Lista de

Haddad, Julián
5
Topological Methods in Nonlinear Analysis
2
"A Hartman-Nagumo type condition for a class of contractible domains" (2013) Amster, P.; Haddad, J. Topological Methods in Nonlinear Analysis. 41(2):287-304
"On existence of periodic solutions for kepler type problems" (2016) Amster, P.; Haddad, J. Topological Methods in Nonlinear Analysis. 48(2):465-476