Paper  bibtex   

@article{rubinstein_perfect_1982,
	title = {Perfect equilibrium in a bargaining model},
	url = {http://www.jstor.org/stable/1912531},
	urldate = {2017-01-20},
	journal = {Econometrica: Journal of the Econometric Society},
	author = {Rubinstein, Ariel},
	year = {1982},
	pages = {97--109}
}