The Picard–Ionescu problem for hyperbolic inclusions with modified argument
Volume 83 / 2004
                    
                    
                        Annales Polonici Mathematici 83 (2004), 21-33                    
                                        
                        MSC: 35L15, 35R70.                    
                                        
                        DOI: 10.4064/ap83-1-3                    
                                    
                                                Abstract
We consider the Picard–Ionescu problem for hyperbolic inclusions with modified argument. Existence of a local solution is proved and some properties of the set of solutions are established.