A theorem on B-splines
Tom 41 / 1972
                    
                    
                        Studia Mathematica 41 (1972), 291-314                    
                                        
                        DOI: 10.4064/sm-41-3-291-314                    
                                    
                                                                
                             
             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                         
                                                            