@misc{Cayley_Arthur_(1821–1895)_On_1893, author={Cayley Arthur (1821–1895)}, volume={6}, copyright={Public Domain}, address={Cambridge}, journal={Mathematical papers}, howpublished={online}, year={1893}, publisher={Cambridge University Press}, language={eng}, title={On the Conics which touch three given Lines and pass through a given Point}, type={Text}, URL={http://rcin.org.pl/Content/135037/PDF/WA35_165123_12807-6_Art393.pdf}, }