%0 Journal Article %T Existence results for a class of nonhomogeneous elliptic equations with critical Sobolev exponent %J - %D 1993 %R DOI Code: 10.1285/i15900932v13n2p269 %X In this paper we study the problem (Error rendering LaTeX formula) in , on .Since the embedding of in is not compact, classical variational and fixed-points approaches can not be applied to find solutions.We study that problem by making use of a fixed-point Theorem as well as one from approximation methods %U http://siba-ese.unisalento.it/index.php/notemat/article/view/1038