1. Lectures on Elliptic Boundary Value Problems;Agmon,1965
2. Estimates near the boundary for solutions of elliptic partial differential equations satisfying general boundary conditions;Agmon;Comm. Pure Appl. Math.,1959
3. Regolaritá et unicita della soluzione di una equazione differenziale astratta;Baiocchi,1965
4. Problèmes aux Limites non Homogènes;Barros-Neto,1966
5. H. Brezis, On some degenerate nonlinear parabolic equations, to appear.