On the existence of σ-complete prime ideals in Boolean algebras
Tom 19 / 1968
                    
                    
                        Colloquium Mathematicum 19 (1968), 51-58                    
                                        
                        DOI: 10.4064/cm-19-1-51-58                    
                                    
                                                                
                             
             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                         
                                                            