Nikolai N. Bogolubov
                                    
                                        
                                        MAR 01, 1993
                                    
                                
                            
                            
                            
                              DOI: 10.1063/1.2808853
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More about the Authors
Alexey N. Sissakian. Joint Institute for Nuclear Research, Dubna, Russia.
                                © 1993. American Institute of Physics
                            
                            
                        