@misc{Cayley_Arthur_(1821–1895)_Note_1889, author={Cayley Arthur (1821–1895)}, copyright={Public Domain}, journal={Mathematical papers}, address={Cambridge}, howpublished={online}, year={1889}, publisher={Cambridge University Press}, language={eng}, type={Text}, title={Note relative à la sixième section du Mémoire sur quelgues Théorèmes de la Géométrie de Position}, URL={http://www.rcin.org.pl/Content/119180/PDF/WA35_143622_12807-1_Art98.pdf}, }