Approximations of one-one measurable transformations
Volume 67 / 1970
                    
                    
                        Fundamenta Mathematicae 67 (1970), 171-178                    
                                        
                        DOI: 10.4064/fm-67-2-171-178                    
                                    
                                                                
                             
             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                         
                                                            