@article{Mertzios1987,
        title = {Block-space invariance of two-dimensional digital filters},
        author = {B. G. Mertzios},
        journal = {Signal Processing},
        month = {Sep},
        number = 2,
        pages = {141--153},
        volume = 13,
        year = 1987,
        url = {http://www.sciencedirect.com/science/article/B6V18-49990NJ-5C/1/0395286123d03ea5533c237a2820ff5a},
        biburl = {http://www.bibsonomy.org/bibtex/2dfd0d611654f89caf7c6078b9341bbea/smicha},
	keywords = {digital (2-D) filter Two-dimensional}
}