@inproceedings{ICDAR-1993-LeeL,
	author        = "Hsi-Jian Lee and Min-Chou Lee",
	booktitle     = "{Proceedings of the Second International Conference on Document Analysis and Recognition}",
	doi           = "10.1109/ICDAR.1993.395686",
	isbn          = "0-8186-4960-7",
	pages         = "502--505",
	publisher     = "{IEEE}",
	title         = "{Understanding mathematical expressions in a printed document}",
	year          = 1993,
}