Note on the strong maximal operator
Tom 76 / 1983
                    
                    
                        Studia Mathematica 76 (1983), 225-248                    
                                        
                        DOI: 10.4064/sm-76-3-225-248                    
                                    
                                                                
                             
             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                         
                                                            