Chebyshev spectral approximation of Navier-Stokes equations in a two dimensional domain Y. Maday, B. Métivet (1987) ESAIM: Mathematical Modelling and Numerical Analysis - Modélisation Mathématique et Analyse Numérique
Conforming equilibrium finite element methods for some elliptic plane problems Michal Křížek (1983) ESAIM: Mathematical Modelling and Numerical Analysis - Modélisation Mathématique et Analyse Numérique