@article{10_37236_990,
     author = {David Uminsky and Karen Yeats},
     title = {Unbounded regions of infinitely logconcave sequences},
     journal = {The electronic journal of combinatorics},
     year = {2007},
     volume = {14},
     doi = {10.37236/990},
     zbl = {1183.05001},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/990/}
}