1. Some interior regularity results for solutions of Hessian equations

   • John Urbas

   Original article Pages: 1 - 31

2. Mountain pass type solutions for quasilinear elliptic equations

   • Ph. Clément
   • M. García-Huidobro
   • K. Schmitt

   Original article Pages: 33 - 62

3. Four positive solutions for the semilinear elliptic equation: \(-\Delta u+u=a(x)u^p+f(x)\) in \({\mathbb R}^N\)

   • Shinji Adachi
   • Kazunaga Tanaka

   Original article Pages: 63 - 95

4. Asymmetric positive solutions for a symmetric nonlinear problem in \({\mathbb R}^N\)

   • Silvia Cingolani
   • José Luis Gámez

   Original article Pages: 97 - 117