Partial Differential Equations and - Hardcover, by Pinsky Mark A. - Good

Partial Differential Equations for Scientists and Engineers (Dover B - VERY GOOD

Partial Differential Equations: - Paperback, by Applications and Theories - Good

Partial Differential Equations: Sources and Solutions

Differential Equations and Lin - VERY GOOD

2006 Partial Differential Equations Sources and Solutions Textbook Snider

Partial Differential Equations for Scientists and Engineers (Dover Books - GOOD

Elementary Differential Equations and Boundary Value Problems - VERY GOOD