Point partition numbers and generalized Nordhaus-Gaddum problems
Tom 48 / 1984
                    
                    
                        Colloquium Mathematicum 48 (1984), 279-285                    
                                        
                        DOI: 10.4064/cm-48-2-279-285                    
                                    
                                                                
                             
             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                         
                                                            