@misc{Cayley_Arthur_(1821–1895)_Problem_1895, author={Cayley, Arthur (1821–1895)}, copyright={Public Domain}, address={Cambridge}, journal={Mathematical papers}, howpublished={online}, year={1895}, publisher={Cambridge University Press}, language={eng}, title={Problem and hypothetical theorems in regard to two quadric surfaces}, type={Text}, URL={http://www.rcin.org.pl/Content/135406/PDF/WA35_168131_12807-8_Art65.pdf}, }