@misc{Cayley_Arthur_(1821–1895)_Analytical_1897, author={Cayley Arthur (1821–1895)}, copyright={Public Domain}, journal={Mathematical papers}, address={Cambridge}, howpublished={online}, year={1897}, publisher={Cambridge University Press}, language={eng}, type={Text}, title={Analytical geometrical note on the conic}, URL={http://rcin.org.pl/impan/Content/125379/PDF/WA35_154304_12807-12_Art59.pdf}, }