Difference Equations: An Introduction with Applications by Kelley, Walter G.

Difference Equations: An Introduction with App... by Peterson, Allan C. Hardback

DIFFERENTIAL EQUATIONS An Introduction - Reprinted with Corrections (1984) HC

Difference Equations : An Introduction with Applications Hardcove

Differential Equations and Their Applications: An Introduction to Applied...

Differential Equations and Their Applications : An Introduction t

Dynamic Equations on Time Scales : An Introduction with Applications by...