Abdellaoui, Boumediene, and Ireneo Peral. 2009. “The Equation -Δu-λ(u/|x|<sup>2</sup>)=|∇ u|<sup>p</Sup>+ C f(x): The Optimal Power ”. ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE 6 (1):159-83. https://doi.org/10.2422/2036-2145.2007.1.08.