On the existence and uniqueness of solutions of a multipoint boundary value problem
Tom 38 / 1980
                    
                    
                        Annales Polonici Mathematici 38 (1980), 305-310                    
                                        
                        DOI: 10.4064/ap-38-3-305-310                    
                                    
                                                                
                             
             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                         
                                                            