@conference {17614,
	title = {Improving the discrepancy bound for sparse matrices: better approximations for sparse lattice approximation problems},
	booktitle = {Proceedings of the eighth annual ACM-SIAM symposium on Discrete algorithms},
	series = {SODA {\textquoteright}97},
	year = {1997},
	month = {1997///},
	pages = {692 - 701},
	publisher = {Society for Industrial and Applied Mathematics},
	organization = {Society for Industrial and Applied Mathematics},
	address = {Philadelphia, PA, USA},
	isbn = {0-89871-390-0},
	url = {http://dl.acm.org/citation.cfm?id=314161.314418},
	author = {Srinivasan, Aravind}
}
