@misc{Cayley_Arthur_(1821–1895)_On_1891, author={Cayley, Arthur (1821–1895)}, volume={4}, copyright={Public Domain}, address={Cambridge}, journal={Mathematical papers}, howpublished={online}, year={1891}, publisher={University Press}, language={eng}, type={Text}, title={On Poinsot's four new regular solids}, URL={http://www.rcin.org.pl/Content/124749/PDF/WA35_152747_12807-4_On-Poinsots.pdf}, }