Scalar differential concomitants of the second order of the metrical tensor in three-dimensional Riemann spaces
Tom 24 / 1970
                    
                    
                        Annales Polonici Mathematici 24 (1970), 71-76                    
                                        
                        DOI: 10.4064/ap-24-1-71-76                    
                                    
                                                                
                             
             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                         
                                                            