A complete generalization of Yokoi's p-invariants
Tom 63 / 1992
                    
                    
                        Colloquium Mathematicum 63 (1992), 285-294                    
                                        
                        DOI: 10.4064/cm-63-2-285-294                    
                                    
                                                                
                             
             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                         
                                                            