@conference {1757,
	title = {A Subgradient Based Algorithm for Distributed Task Assignment for Heterogeneous Mobile Robots},
	booktitle = {IEEE Conference on Decision and Control},
	year = {2013},
	pages = {3665 - 3670},
	address = {Florence, Italy},
	keywords = {Robotics},
	author = {A Settimi and L. Pallottino}
}
