An Introduction to Differential Equations: Order and Chaos - Hardcover - GOOD

Introduction to Differential Equati..., Redheffer, Raym

Introduction to Nonlinear Differential and Integral Equations (Dover Book - GOOD

Shepley L. Ross Introduction to Ordinary Differential Equations 4th Ed Hardcover

An Introduction To Differential Equations and Its Applications, Farlow, Stanley

Partial Differential Equations : An Introduction Hardcover Walter

Partial Differential Equations: An Introduction - Hardcover - GOOD

Partial Differential Equations: An Introduction - hardcover Strauss, Walter ...