%0 Journal Article %A Feng-Zhen Zhao %T On log-concavity of a class of generalized Stirling numbers %J The electronic journal of combinatorics %D 2012 %V 19 %N 2 %U http://geodesic.mathdoc.fr/articles/10.37236/2228/ %R 10.37236/2228 %F 10_37236_2228