@PHDTHESIS{Sun2016,
url = "http://www.theses.fr/2016SACLS109",
title = "A contribution to the theory of (signed) graph homomorphism  bound and Hamiltonicity",
author = "Sun, Qiang",
year = "2016",
note = "Thèse de doctorat dirigée par Li, Hao Informatique Université Paris-Saclay (ComUE) 2016",
note = "2016SACLS109",
url = "http://www.theses.fr/2016SACLS109/document",
}