@article{Hsueh1992,
	title = {Mathematical morphology on l-images},
	author = {Yuang-Cheh Hsueh},
	journal = {Signal Processing},
	month = {Feb},
	number = {2},
	pages = {221--241},
	url = {http://www.sciencedirect.com/science/article/B6V18-48XCY1P-9P/1/2cffb1de99661d21fa86242820430036},
	volume = {26},
	year = {1992},
	biburl = {http://www.bibsonomy.org/bibtex/2171979b8e8942b14dc3b6ad6acbed7e7/smicha},
	keywords = {Minkowski addition }
}