@inproceedings{DocEng-2011-SojkaL,
	author        = "Petr Sojka and Martin Líska",
	booktitle     = "{Proceedings of the 11th Symposium on Document Engineering}",
	doi           = "10.1145/2034691.2034703",
	isbn          = "978-1-4503-0863-2",
	pages         = "57--60",
	publisher     = "{ACM}",
	title         = "{The art of mathematics retrieval}",
	year          = 2011,
}