@inproceedings{inproceedingsa88f2220,
title   = {Deterministic and stochastic global optimization techniques for planar covering with elipses problems},
author = {Andretta, Marina and Birgin, Ernesto Julian Goldberg},
year = {2012},
publisher = {Mathematical Optimization Society},
booktitle   = {International Symposium on Mathematical Programming (ISMP 2012)}
}