Inertial manifolds of damped semilinear wave equations Xavier Mora; Joan Solà-Morales — 1989 ESAIM: Mathematical Modelling and Numerical Analysis - Modélisation Mathématique et Analyse Numérique
On nonlinear elliptic equations in infinite cylinders Calsina, Angel; Solà-Morales, Joan; València, Marta — 1994 Equadiff 8