Some nonlinear elliptic equations on $R^N$ which arise perturbing the problem with the critical Sobolev exponent are studied. In particular, some results dealing with the scalar curvature problem in $R^N$ are given.

PB - Elsevier UR - http://hdl.handle.net/1963/3255 U1 - 1446 U2 - Mathematics U3 - Functional Analysis and Applications ER -