Halving an estimate obtained from Selberg's upper bound method
Volume 25 / 1974
                    
                    
                        Acta Arithmetica 25 (1974), 347-351                    
                                        
                        DOI: 10.4064/aa-25-4-347-351                    
                                    
                                                                
                             
             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                         
                                                            