Powers, D. L. (2006). Boundary value problems: And partial differential equations (Fifth edition.). Elsevier/Academic Press.
Chicago Style aipamenaPowers, David L. Boundary Value Problems: And Partial Differential Equations. Fifth edition. Burlington, MA: Elsevier/Academic Press, 2006.
MLA aipamenaPowers, David L. Boundary Value Problems: And Partial Differential Equations. Fifth edition. Elsevier/Academic Press, 2006.
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