1-5 of 5 Books

Manifolds, tensor analysis, and applications
By Ralph Abraham

The pullback equation for differential forms
By Gyula Csató

The deficiency index problem for powers of ordinary differential expressions
By R. M. Kauffman

A geometric approach to differential forms
By David Bachman

Manifolds Tensors And Forms An Introduction For Mathematicians And Physicists
By Paul Renteln