Some possible covers of measure zero sets
Volume 63 / 1992
                    
                    
                        Colloquium Mathematicum 63 (1992), 211-218                    
                                        
                        DOI: 10.4064/cm-63-2-211-218                    
                                    
                                                                
                             
             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                         
                                                            