Differential geometrical methods in mathematical physics :  proceedings of the Conferences held at Aix-en-Provence, September 3-7, 1979 and Salamanca, September 10-14, 1979 / 
edited by P. L. Garcia, A. Perez-Rendon, and J. M. Souriau 
 - Berlin :  Springer-Verlag,  1980 
 - 541 p. ;  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometry, Differential--Congresses<br/>Mathematical physics--Congresses