A conjecture concerning the exponential diophantine equation $a^x+b^y=c^z$
Volume 106 / 2003
                    
                    
                        Acta Arithmetica 106 (2003), 345-353                    
                                        
                        MSC: 11D61, 11J86.                    
                                        
                        DOI: 10.4064/aa106-4-2