Equivalence classes of functions over a finite field
Volume 29 / 1976
                    
                    
                        Acta Arithmetica 29 (1976), 353-358                    
                                        
                        DOI: 10.4064/aa-29-4-353-358                    
                                    
                                                                
                             
             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                         
                                                            