@article{02220811, title = {A degree condition for the existence of }, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {2005}, year = {2005}, pages = {863-873}, doi = {10.1155/IJMMS.2005.863}, zbl = {1073.05058}, language = {en}, url = {http://dml.mathdoc.fr/item/02220811} }
Wang, Changping. A degree condition for the existence of . International Journal of Mathematics and Mathematical Sciences, Tome 2005 (2005) pp. 863-873. doi : 10.1155/IJMMS.2005.863. http://gdmltest.u-ga.fr/item/02220811/