@article{10_37236_2228,
     author = {Feng-Zhen Zhao},
     title = {On log-concavity of a class of generalized {Stirling} numbers},
     journal = {The electronic journal of combinatorics},
     year = {2012},
     volume = {19},
     number = {2},
     doi = {10.37236/2228},
     zbl = {1243.05041},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/2228/}
}