{{Cite journal| volume = 1| issue = 3| pages = 243–265| last = Pacard| first = F.| title = Existence And Convergence Of Positive Weak Solutions Of Delta-U = U(N/N-2) In Bounded Domains Of R(N), N-Greater-Than-Or-Equal-To-3| journal = Calculus of Variations and Partial Differential Equations| date = 1993}}