Powers, D. L. (2006). Boundary value problems and partial differential equations: Student solutions manual (5th ed.). Elsevier Academic Press.
Chicago-Zitierstil (17. Ausg.)Powers, David L. Boundary Value Problems and Partial Differential Equations: Student Solutions Manual. 5th ed. Amsterdam: Elsevier Academic Press, 2006.
MLA-Zitierstil (9. Ausg.)Powers, David L. Boundary Value Problems and Partial Differential Equations: Student Solutions Manual. 5th ed. Elsevier Academic Press, 2006.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.