A mean value estimate for real character sums
Tom 72 / 1995
                    
                    
                        Acta Arithmetica 72 (1995), 235-275                    
                                        
                        DOI: 10.4064/aa-72-3-235-275                    
                                    
                                                                
                             
             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                         
                                                            