@article{JGAA_2006_10_2_a6,
     author = {Ilya Safro and Dorit Ron and Achi Brandt},
     title = {A {Multilevel} {Algorithm} for the {Minimum} 2-sum {Problem}},
     journal = {Journal of Graph Algorithms and Applications},
     pages = {237--258},
     publisher = {mathdoc},
     volume = {10},
     number = {2},
     year = {2006},
     doi = {10.7155/jgaa.00126},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.7155/jgaa.00126/}
}