Doebner H D Ed. <br/><br/>
Differential geometric methods in mathematical physics    Clusthal 1980, proceedings of an international conference held at the technical University of clausthal, FRG, July 23-25. 

 -  1982 
<br/><br/><label>Standard No.: </label>80453 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B6:3p1,N80, M2