@article {chountasis2009applications,
	title = {Applications of the Moore-Penrose inverse in digital image restoration},
	journal = {Mathematical Problems in Engineering},
	volume = {2009},
	year = {2009},
	publisher = {Hindawi},
	author = {Spiros Chountasis and Vasilios N. Katsikis and Dimitrios Pappas}
}
