@techreport{repORt:2016-032,
	author = {J.-B. Gauthier and J. Desrosiers and M. L\"{u}bbecke},
	title = {A strongly polynomial contraction-expansion algorithm for network flow problems},
	institution = {Operations Research, RWTH Aachen University},
	year = {2016},
	number = {2016--032},
	month = {Mar}
}