@book{16837,
	author = {NATO Advanced Study Institute, Cargese, Corsica, France, June 24-July 7, 1979 and Bardos, Claude ; ed.},
	title = {Bifurcation phenomena in mathematical physics and related topics; proceedings},
	publisher = {D. Reidel},
	year = {1980},
	address = {Dordrecht}
}