GERARD JENNHWA CHANG2018-09-102018-09-102002http://www.scopus.com/inward/record.url?eid=2-s2.0-33751014572&partnerID=MN8TOARShttp://scholars.lib.ntu.edu.tw/handle/123456789/296441A note on the Gallai-Roy-Vitaver Theoremjournal article