Nikolaev, Igor V.. "3. C∗-algebras". Noncommutative Geometry: A Functorial Approach, Berlin, Boston: De Gruyter, 2018, pp. 31-50. https://doi.org/10.1515/9783110545258-005
Nikolaev, I. (2018). 3. C∗-algebras. In Noncommutative Geometry: A Functorial Approach (pp. 31-50). Berlin, Boston: De Gruyter. https://doi.org/10.1515/9783110545258-005
Nikolaev, Igor V.. "3. C∗-algebras" In Noncommutative Geometry: A Functorial Approach, 31-50. Berlin, Boston: De Gruyter, 2018. https://doi.org/10.1515/9783110545258-005
Nikolaev I. 3. C∗-algebras. In: Noncommutative Geometry: A Functorial Approach. Berlin, Boston: De Gruyter; 2018. p.31-50. https://doi.org/10.1515/9783110545258-005