BibTex format
@article{Bingham:2015:10.1007/s00010-015-0350-6,
author = {Bingham, NH and Ostaszewski, AJ},
doi = {10.1007/s00010-015-0350-6},
journal = {AEQUATIONES MATHEMATICAE},
pages = {1293--1310},
title = {Cauchy's functional equation and extensions: Goldie's equation and inequality, the Golab-Schinzel equation and Beurling's equation},
url = {http://dx.doi.org/10.1007/s00010-015-0350-6},
volume = {89},
year = {2015}
}