Lovelock, D., & Rund, H. (1989). Tensors, differential forms, and variational principles. Dover.
Chicago Style (17th ed.) CitationLovelock, David, and Hanno Rund. Tensors, Differential Forms, and Variational Principles. New York: Dover, 1989.
MLA (8th ed.) CitationLovelock, David, and Hanno Rund. Tensors, Differential Forms, and Variational Principles. Dover, 1989.
Warning: These citations may not always be 100% accurate.