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https://www.elsevier.com/books/noncommutative-geometry/connes/978-0-08-057175-1
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3. A. Connes, Commun. Math. Phys. 182, 155 (1996).
arXiv:hep-th/9603053
[hep-th]
4. A. Connes, J. Lott, 4th Annecy Meeting on Theoretical Physics: Recent Advances in Field Theory Annecy, France, March 5–9, 1990. Nucl. Phys. Proc. Suppl. 18B, 29 (1991)
5. W.D. van Suijlekom, Noncommutative Geometry and Particle Physics, Mathematical Physics Studies (Springer, Dordrecht, 2015)