@article {1999,
	title = {Enhanced gauge symmetries on elliptic K3},
	journal = {Phys.Lett. B452 (1999) 244-250},
	number = {SISSA;74/98/EP-FM},
	year = {1999},
	publisher = {Elsevier},
	abstract = {We show that the geometry of K3 surfaces with singularities of type A-D-E contains enough information to reconstruct a copy of the Lie algebra associated to the given Dynkin diagram. We apply this construction to explain the enhancement of symmetry in F and IIA theories compactified on singular K3\\\'s.},
	doi = {10.1016/S0370-2693(99)00295-6},
	url = {http://hdl.handle.net/1963/3366},
	author = {Loriano Bonora and Cesare Reina and Alessandro Zampa}
}
