The spectral cutting problem
Tom 8 / 1982
                    
                    
                        Banach Center Publications 8 (1982), 57-62                    
                                        
                        DOI: 10.4064/-8-1-57-62                    
                                    
                                                                
                             
             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                         
                                                            