@book{15760,
	author = {Conference on "Differential Geometrical Methods in Mathmatical Physics", Aix-en-Provence, Sept. 3-7, 1979 and Salamanca 10-14, 1979. and Garcia, P. L.},
	title = {Differential geometrical methods in mathematical physics},
	publisher = {Springer-Verlag,},
	year = {1980},
	address = {Berlin:}
}