2018-09-102018-09-102015http://www.scopus.com/inward/record.url?eid=2-s2.0-84923655809&partnerID=MN8TOARShttp://scholars.lib.ntu.edu.tw/handle/123456789/392526Self-dual strings and 2D SYMjournal article10.1007/JHEP01(2015)076