@article{1a8c93ad578e4648976e7f603b77476e,
title = "Bodil Branner; Jesper L{\"u}tzen (eds.), Caspar Wessel: On the Analytical Representation of Direction (Copenhagen: The Royal Danish Academy of Sciences and Letters, 1999). 143 pp. pb. DKK 500. ISBN 87-7876-158-1. Jesper L{\"u}tzen (ed.), Around Caspar Wessel and the Geometric Representation of Complex Numbers (Copenhagen: The Royal Danish Academy of Sciences and Letters, 2001). 293 pp. pb. DKK 300. ISBN 87-7876-236-7",
author = "S{\o}rensen, {Henrik Kragh}",
year = "2005",
language = "English",
volume = "47",
pages = "73--74",
journal = "Centaurus",
issn = "0008-8994",
publisher = "Wiley-Blackwell",
number = "1",
}