A note on linear approximations of matrices
Tom 21 / 1991
                    
                    
                        Applicationes Mathematicae 21 (1991), 257-263                    
                                        
                        DOI: 10.4064/am-21-2-257-263                    
                                    
                                                                
                             
             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                         
                                                            