Lawden, D. F. (1975). An introduction to tensor calculus and relativity (3a. ed.). Chapman and Hall.

Lawden, Derek F. An Introduction to Tensor Calculus and Relativity. 3a. ed. Londres: Chapman and Hall, 1975.

Lawden, Derek F. An Introduction to Tensor Calculus and Relativity. 3a. ed. Chapman and Hall, 1975.