Παραπομπή APA

Knabner, P. (2003). Numerical methods for elliptic and parabolic partial differential equations. Springer.

Παραπομπή Chicago Style

Knabner, Peter. Numerical Methods for Elliptic and Parabolic Partial Differential Equations. New York: Springer, 2003.

Παραπομπή MLA

Knabner, Peter. Numerical Methods for Elliptic and Parabolic Partial Differential Equations. Springer, 2003.