@book{37621,
	author = {Kravchuk, Alexander S. and Neittaanmäki, Pekka J. and SpringerLink (Online service)},
	title = {Variational and Quasi-Variational Inequalities in Mechanics},
	publisher = {Springer Netherlands,},
	year = {2007.},
	series = {Solid Mechanics and Its Applications,},
	address = {Dordrecht :},
	url = {http://dx.doi.org/10.1007/978-1-4020-6377-0}
}