Critical and subcritical elliptic systems in dimension two

Djairo G. de Figueiredo, Joao Marcos do O, Bernhard Ruf
2004 Indiana University Mathematics Journal  
In this paper we study the existence of nontrivial solutions for the following system of two coupled semilinear Poisson equations:
doi:10.1512/iumj.2004.53.2402 fatcat:vd63oklhavgnbbi4sma442e7pa