BibTex format
@inbook{Ibragimov:10.1057/9780230226203.1893,
author = {Ibragimov, R},
booktitle = {The New Palgrave Dictionary of Economics Online},
doi = {10.1057/9780230226203.1893},
publisher = {Palgrave Macmillan},
title = {Heavy-tailed densities},
url = {http://dx.doi.org/10.1057/9780230226203.1893},
}