Undergraduate Texts in Mathematics: Introduction to Difference Equations by...

Topics In Ordinary Differential Equations By William D. Lakin

Advanced Topics in Computational Partial Differential Equations : Numerical M...

Ordinary Differential Equations by Luis Barreira – Advanced Math Textbook - New

Agarwal - Advanced Topics in Difference Equations - New paperback or s - X555z

Fourier Analysis and Partial Differential Equations (Studies in Advanced Mat...

Advanced Topics in Fractional Differential Equations : A Fixed Point Approach...

Advanced Topics in Difference Equations, Hardcover by Agarwal, Ravi P.; Wong,...