@article{3024284, title = "CQ*-Algebras", author = "Fragoulopoulou, M. and Trapani, C.", journal = "Lecture Notes in Mathematics", year = "2020", volume = "2257", pages = "95-142", publisher = "Springer-Verlag", doi = "10.1007/978-3-030-37705-2_5", abstract = "This chapter is devoted to a special class of Banach quasi *-algebras, the so-called CQ*-algebras. Their essential feature consists of the fact that they contain a C*-algebra as dense subspace. © 2020, Springer Nature Switzerland AG." }