1. On an inverse boundary value problem;Calderón,1980
2. Finite Element Approximation of the Navier–Stokes Equations;Girault,1979
3. Elliptic Problems in Nonsmooth Domains;Grisvard,1985
4. Determining conductivity by boundary measurements;Kohn;Comm. Pure Appl. Math.,1984
5. Initial Boundary Value Problems in Mathematical Physics;Leis,1986