@article {1507,
	title = {Complexity of the Improper Twin Edge Coloring of Graphs},
	journal = {Graphs and Combinatorics},
	volume = {33},
	year = {2017},
	pages = {595{\textendash}615},
	author = {Abedin, Paniz and Akbari, Saieed and Demange, Marc and Ekim, Tinaz}
}
