Menachem Kojman. Singular Cardinals: From Hausdorff's Gaps to Shelah's PCF Theory. In Dov M. Gabbay, Akihiro Kanamori, John Woods, editors, Sets and Extensions in the Twentieth Century. Volume 6 of Handbook of the History of Logic, pages 509-558, Elsevier, 2012. [doi]
Abstract is missing.