An asymptotic formula for B-twins
Volume 47 / 1986
                    
                    
                        Acta Arithmetica 47 (1986), 297-312                    
                                        
                        DOI: 10.4064/aa-47-4-297-312                    
                                    
                                                                
                             
             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                         
                                                            