Remarks on pebble games on graphs
Volume 19 / 1987
                    
                    
                        Applicationes Mathematicae 19 (1987), 569-577                    
                                        
                        DOI: 10.4064/am-19-3-4-569-577                    
                                    
                                                                
                             
             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                         
                                                            