Symplectic modulary groups
Tom 9 / 1964
                    
                    
                        Acta Arithmetica 9 (1964), 83-89                    
                                        
                        DOI: 10.4064/aa-9-1-83-89                    
                                    
                                                                
                             
             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                         
                                                            