@article{10_4064_aa168_3_5,
     author = {Xiangneng Zeng and Yuanlin Li and Pingzhi Yuan},
     title = {On a conjecture of {Lemke} and {Kleitman}},
     journal = {Acta Arithmetica},
     pages = {289--299},
     publisher = {mathdoc},
     volume = {168},
     number = {3},
     year = {2015},
     doi = {10.4064/aa168-3-5},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa168-3-5/}
}