MLA

Steinbach, Olaf. Numerical Approximation Methods for Elliptic Boundary Value Problems. Springer New York, 2008.

APA

Steinbach, O. (2008). Numerical Approximation Methods for Elliptic Boundary Value Problems. Springer New York.

Chicago

Steinbach, Olaf Numerical Approximation Methods for Elliptic Boundary Value Problems. : Springer New York, 2008.