%0 Journal Article %A Chen, Yichao %A Liu, Yanpei %T On a Conjecture of S. Stahl %J Canadian journal of mathematics %D 2010 %P 1058-1059 %V 62 %N 5 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-2010-058-4/ %R 10.4153/CJM-2010-058-4 %F 10_4153_CJM_2010_058_4