Integral Equations; Dover Books on Mathemati- paperback, 0486648281, F G Tricomi

Introduction to Difference Equations (Dover Books on Mathematics) - GOOD

Integral Equations by Tricomi, F. G.

Modern Nonlinear Equations (Dover Books on Mathematics) - Paperback - VERY GOOD

Ordinary Differential Equations (Dover Books on Mathematics) - VERY GOOD

Topology (Dover Books on Mathematics) - Paperback - VERY GOOD

Ordinary Differential Equations (Dover Books on Mathematics) - Paperback - GOOD