Approximation of elliptic boundary-value problems - paperback, good condition

Variational Methods For Boundary Value Problems For Systems Of Elliptic Equation

Approximation of Functions Theory and Numerical Methods by gunter Meinardus HC

Variational Methods for Boundary Value Problems: for Systems of Elliptic Equ...

Variational Methods for Boundary Value Problems for Systems of Elliptic Equation

Approximation of Elliptic Boundary-Value Problems Hardcover Jean-

Variational Methods for Boundary Value Problems for Systems of Elliptic Equation