A general result on the equivalence between derivation of integrals and weak inequalities for the Hardy-Littlewood maximal operator
Volume 60 / 1977
                    
                    
                        Studia Mathematica 60 (1977), 91-96                    
                                        
                        DOI: 10.4064/sm-60-1-91-96                    
                                    
                                                                
                             
             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                         
                                                            