Nonlinear Partial Differential Equations in Engineering by W F Ames (Volume 18B)

Partial Differential Equations 4th ed, by Fritz John - New Condition Hardback

Applied Partial Differential Equations J. David Logan 3rd Ed Springer Hardcover

Partial Differential Equations by J. Kevorkian Hardcover

Applied Differential Equations Murray R. Spiegel Hardcover 1967 Good

Partial Differential Equations by Paul R. Garabedian (HC 1964) Vintage Textbook

Introduction to Partial Differential Equations Arne Broman 1989 Fourier VTG

Applied Differential Equations 2e Murray R. Spiegel Hardcover 1967