@article {2014,
	title = {Quasi-static crack growth in hydraulic fracture},
	journal = {Nonlinear Analysis},
	volume = {109},
	number = {Nonlinear Analysis, Theory, Methods and Applications;109},
	year = {2014},
	pages = {301-318},
	publisher = {Elsevier},
	type = {Journal article},
	chapter = {301},
	abstract = {<p>We present a variational model for the quasi-static crack growth in hydraulic fracture in the framework of the energy formulation of rate-independent processes. The cracks are assumed to lie on a prescribed plane and to satisfy a very weak regularity assumption.</p>},
	doi = {10.1016/j.na.2014.07.009},
	url = {http://hdl.handle.net/20.500.11767/17350},
	author = {Stefano Almi and Gianni Dal Maso and Rodica Toader}
}
