On a characterization of $L^p$-norm
Volume 50 / 1989
                    
                    
                        Annales Polonici Mathematici 50 (1989), 137-144                    
                                        
                        DOI: 10.4064/ap-50-2-137-144                    
                                    
                                                                
                             
             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                         
                                                            