Introduction to Partial Differential Equations by Don Greenspan (1961 hardcover)

Introduction to Ordinary Differential Equations

Introduction To Partial Differential Equations For Engineering M.M. Smirnov/Masa

Partial Differential Equations (1965) ~ Hans Weinberger ~ Hardcover ~Dust Jacket

Partial Differential Equations: An Introduction by b epstein

Introduction to Partial Differential Equations Stephenson, G. Paperback (16a)

Schaum's outline Series - PARTIAL DIFFERENTIAL EQUATIONS BOOK -2

L.E. El'sgol'ts INTRODUCTION TO THE THEORY OF DIFFERENTIAL EQUATIONS WITH DEVIAT