@article{DBLP:journals/arscom/YuanshengXYHH06,
author = {Yang Yuansheng and
Xirong Xu and
Xi Yue and
Li Huijun and
Khandoker Mohammed Mominul Haque},
title = {The Graphs C(t)7 are Graceful for t = 0, 1, (mod 4)},
journal = {Ars Comb.},
volume = {79},
year = {2006},
bibsource = {DBLP, http://dblp.uni-trier.de}
}