Gilkey, P. B. (1995). Invariance theory, the heat equation, and the Atiyah-Singer index theorem (2nd ed.). CRC Press Inc.
Cita Chicago (17th ed.)Gilkey, Peter B. Invariance Theory, the Heat Equation, and the Atiyah-Singer Index Theorem. 2nd ed. Boca Raton, Florida: CRC Press Inc, 1995.
Cita MLA (9th ed.)Gilkey, Peter B. Invariance Theory, the Heat Equation, and the Atiyah-Singer Index Theorem. 2nd ed. CRC Press Inc, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.