Semi-spectral integrals and related mappings
Volume 46 / 1973
                    
                    
                        Studia Mathematica 46 (1973), 301-313                    
                                        
                        DOI: 10.4064/sm-46-3-301-313                    
                                    
                                                                
                             
             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                         
                                                            