Geometric characteristic of semi-Fredholm operators and their asymptotic behaviour
Tom 80 / 1984
                    
                    
                        Studia Mathematica 80 (1984), 219-234                    
                                        
                        DOI: 10.4064/sm-80-3-219-234                    
                                    
                                                                
                             
             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                         
                                                            