Elementary Treatise on Partial Differential Equations (Paperback or Softback)

The Place Of Partial Differential Equations (Paperback or Softback)

Lectures on Cauchy's Problem in Linear Partial Differential Equations

A Treatise on Ordinary and Partial Differential Equations (Paperback or Softback

Differential Equations (Paperback or Softback)

Lectures on Partial Differential Equations by I. G. Petrovsky

Differential Equations (Paperback or Softback)

Differential Equations In Applied Chemistry (Paperback or Softback)