Applications, Cambridge University Press, 2015, p. 240. planar limit in nLab. [2020-03-07]. (原始内容存档于2020-10-01). Beisert, Niklas. Review of AdS/CFT Integrability:
(英文)Azimuth網誌 (页面存档备份,存于互联网档案馆) (英文)The n-Category Café (页面存档备份,存于互联网档案馆) (英文)nLab (页面存档备份,存于互联网档案馆), a wiki-lab for collaborative original research in