Dyfyniad APA

Powers, D. L. (2006). Boundary value problems: And partial differential equations (5th ed.). Elsevier Academic Press.

Dyfyniad Arddull Chicago

Powers, David L. Boundary Value Problems: And Partial Differential Equations. 5th ed. Amsterdam ; Boston: Elsevier Academic Press, 2006.

Dyfyniad MLA

Powers, David L. Boundary Value Problems: And Partial Differential Equations. 5th ed. Elsevier Academic Press, 2006.

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