Boundary Value Problems by David Powers

Elementary Differential Equations Boundary Value Problems 10th Ed Wiley NEW

Partial Differential Equations and Boundary Value Problems by Nakhle H. Asmar

"Elementary Differential Equations and Boundary Value Problems" 10E, 2012

Elementary Differential Equations and Boundary Value Problems

Topological Fixed Point Principles for Boundary Value Problems, Hardcover by ...

Differential Equations with Boundary-Value Problems - Hardcover - Great Shape

Green's Functions and Boundary Value Problems Stakgold First Edition