Epp-smr-04

@misc{Epp-smr-04,
title = {Re: Geometry problem: Optimal direction. Known results?},
author = {David Eppstein},
howpublished = {Message to sci.math.research bulletin board},
month = {21 May},
year = {2004},
url = {http://mathforum.org/epigone/sci.math.research/slexyaxsle}}