Variational Principles (Paperback or Softback)

The Variational Principles of - Paperback, by Cornelius Lanczos - Very Good

Variational Principles, Paperback by Moiseiwitsch, B. L., Like New Used, Free...

Tensors, Differential Forms, and Variational Principles

The Variational Principles of - Paperback, by Cornelius Lanczos - Acceptable

Variational Principles, Paperback by Moiseiwitsch, B. L., Brand New, Free shi...

Variational Principles

Variational Principles in Dynamics and Quantum Theory Paperback