See discussions, stats, and author profiles for this publication at: https://www.researchgate.net/publication/256227511 A new method for the existence of solutions of nonlinear differential equations Article in Journal of Differential Equations · February 1991 DOI: 10.1016/0022-0396(91)90119-T CITATIONS 4 READS 18 1 author: Michal Feckan Comenius University in Bratislava 211 PUBLICATIONS 1,535 CITATIONS SEE PROFILE All content following this page was uploaded by Michal Feckan on 29 April 2014. The user has requested enhancement of the downloaded file.