@misc{Cayley_Arthur_(1821–1895)_Note_1896, author={Cayley, Arthur (1821–1895)}, volume={11}, copyright={Public Domain}, address={Cambridge}, journal={Mathematical papers}, howpublished={online}, year={1896}, publisher={Cambridge University Press}, language={eng}, language={eng}, type={Text}, title={Note on the theory of apsidal surfaces}, URL={http://rcin.org.pl./Content/147928/PDF/WA35_181412_12807-11_art-30.pdf}, }