An inequality for the Hardy-Littlewood maximal operator with respect to a product of differentiation bases
Volume 49 / 1974
                    
                    
                        Studia Mathematica 49 (1974), 185-194                    
                                        
                        DOI: 10.4064/sm-49-2-185-194                    
                                    
                                                                
                             
             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                         
                                                            