@article {2007,
	title = {On a notion of unilateral slope for the Mumford-Shah functional},
	journal = {NoDEA 13 (2007) 713-734},
	number = {SISSA;78/2004/M},
	year = {2007},
	abstract = {In this paper we introduce a notion of unilateral slope for the Mumford-Shah functional, and provide an explicit formula in the case of smooth cracks. We show that the slope is not lower semicontinuous and study the corresponding relaxed functional.},
	doi = {10.1007/s00030-006-4054-4},
	url = {http://hdl.handle.net/1963/2059},
	author = {Gianni Dal Maso and Rodica Toader}
}
