List of citations in Numdam for : Flow of oil and water through porous media

Variational methods for equilibrum problems of fluids - Trento, 20-25 juin 1983, Astérisque, no. 118 (1984), pp. 89-108.

ESAIM: Modélisation mathématique et analyse numérique, Volume 37 (2003) no. 6, pp. 937-972.