On the local optimality of some regular sampling patterns in the plane
Volume 8 / 1965
                    
                    
                        Applicationes Mathematicae 8 (1965), 1-12                    
                                        
                        DOI: 10.4064/am-8-1-1-12                    
                                    
                                                                
                             
             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                         
                                                            