@article{10_4064_aa129_2_4,
     author = {Matt DeVos and Luis Goddyn and Bojan Mohar and Robert \v{S}\'amal},
     title = {A quadratic lower bound for subset sums},
     journal = {Acta Arithmetica},
     pages = {187--195},
     publisher = {mathdoc},
     volume = {129},
     number = {2},
     year = {2007},
     doi = {10.4064/aa129-2-4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa129-2-4/}
}