István Beck, Stein Krogdahl. On log concave sequences. Discrete Mathematics, 94(2):141-145, 1991. [doi]
@article{BeckK91,
title = {On log concave sequences},
author = {István Beck and Stein Krogdahl},
year = {1991},
doi = {10.1016/0012-365X(91)90321-R},
url = {http://dx.doi.org/10.1016/0012-365X(91)90321-R},
researchr = {https://researchr.org/publication/BeckK91},
cites = {0},
citedby = {0},
journal = {Discrete Mathematics},
volume = {94},
number = {2},
pages = {141-145},
}