@book{106002,
	author = {Gasinski, Leszek and Agarwal, Ravi P. and O'Regan, Donal Eds. and Papageorgiou, Nikolaos S.},
	title = {NonLinear Analysis : Vol. 9},
	publisher = {Chapman & Hall / CRC},
	year = {2006},
	series = {Mathematical analysis and applications},
	address = {Boca Raton}
}