%0 Journal Article %A Xiangneng Zeng %A Yuanlin Li %A Pingzhi Yuan %T On a conjecture of Lemke and Kleitman %J Acta Arithmetica %D 2015 %P 289-299 %V 168 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa168-3-5/ %R 10.4064/aa168-3-5 %G en %F 10_4064_aa168_3_5