Projective hierarchy (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Projective hierarchy" in English language version.

refsWebsite

Global rank English rank

451^st place

277^th place

ams.org (Global: 451^st place; English: 277^th place)

J. Steel, "What is... a Woodin cardinal?". Notices of the American Mathematical Society vol. 54, no. 9 (2007), p.1147.