1. Atiyah, M.F.: K-theory and reality. Q. J. Math. 17, 367–386 (1966)
2. Baker, A.: $$I_n$$-local Johnson-Wilson spectra and their Hopf algebroids. Documenta Math. 5, 351–364 (2000)
3. Baker, A., Richter, B.: $$\Gamma $$-cohomology of rings of numerical polynomials and $$E_{\infty }$$-strcutures on $$K$$-theory. Comment. Math. Helv. 80(4), 691–723 (2005)
4. Beardsley, J.: Some higher coalgebra. arXiv:1508.00861
5. Ben-Zvi, D., Francis, J., Nadler, D.: Integral transforms and Drinfeld centers in derived algebraic geometry. J. Am. Math. Soc. 23(4), 909–966 (2010)