@Article{BierThemZuff09,
author = {Michel Bierlaire and MichaŽl Th\'emans and Nicolas Zufferey },
title = {A heuristic for nonlinear global optimization},
journal = {INFORMS Journal of Computing},
volume = {22},
number = {1},
pages = {59-70},
doi = {10.1287/ijoc.1090.0343},
year = {2010}
}