@article {1997,
	title = {Shift-differentiability of the flow generated by a conservation law},
	journal = {Discrete Contin. Dynam. Systems 3 (1997), no. 1, 35--58.},
	number = {SISSA;131/95/M},
	year = {1997},
	publisher = {SISSA Library},
	abstract = {The paper introduces a notion of \\\"shift-differentials\\\" for maps with values in the space BV. These differentials describe first order variations of a given functin $u$, obtained by horizontal shifts of the points of its graph. The flow generated by a scalar conservation law is proved to be generically shift-differentiable, according to the new definition.},
	url = {http://hdl.handle.net/1963/1033},
	author = {Alberto Bressan and Graziano Guerra}
}
