Errata Fund Math CX.1 (1980) et Fund Math CX.2 (1980)
Volume 110 / 1980
                    
                    
                        Fundamenta Mathematicae 110 (1980), 237                    
                                        
                        DOI: 10.4064/fm-110-3-237                    
                                    
                                                             
             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                         
                                                            