On the boundary value problem arising in the radially symmetrical filtration of fluid
Tom 17 / 1983
                    
                    
                        Applicationes Mathematicae 17 (1983), 631-643                    
                                        
                        DOI: 10.4064/am-17-4-631-643                    
                                    
                                                                
                             
             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                         
                                                            