Ichigi, Ippei, and Katsumi Shimomura. 2008. “The Modulo Two Homotopy Groups of the 𝐿₂-Localization of the Ravenel Spectrum”. CUBO, A Mathematical Journal 10 (3):43–55. https://cubo.ufro.cl/ojs/index.php/cubo/article/view/1498.