The Net Advance of Physics:
DIFFERENTIAL FORMS
General: Textbooks:
Bachman 2003/06;
General:
Burke 96/01;
A Primer on Differential Forms
by Christian Lessig [2012/06]
Re: SYMMETRIES OF DIFFERENTIAL EQUATIONS:
The Differential Form Method for Finding Symmetries
by B. Kent Harrison [2005/10]
THE NET ADVANCE OF PHYSICS